Second Amendment | Text, Meaning, Definition, & History

Top Questions

What does the Second Amendment say?

The original text for the Second Amendment to the U.S. Constitution is, A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

Does the Second Amendment allow owning guns for self-defense?

Who wrote the Second Amendment?

The Second Amendment, ratified in 1791, was proposed by James Madison to allow the creation of civilian forces that can counteract a tyrannical federal government. Anti-Federalists believed that a centralized standing military, established by the Constitutional Convention, gave the federal government too much power and potential for violent oppression.

Which U.S. Supreme Court justices think the Second Amendment recognizes the individuals right to bear arms in self-defense?

Do militias exist in the United States today?

Modern militias are most commonly known as State Defense Forces (SDFs). As of 2010, 23 states and territories maintained their own SDFs. Unlike federal organizations such as the National Guard, SDFs are under the sole jurisdiction of state or territorial governments and cannot be commanded by the federal government.

Is ownership of an assault weapon constitutional?

The Public Safety and Recreational Firearms Use Protection Act in 1994 banned private use of assault weapons, such as certain semiautomatic rifles. This federal ban expired in 2004. Some U.S. states have laws that prohibit assault weapons.

Second Amendment, amendment to the Constitution of the United States, adopted in 1791 as part of the Bill of Rights, that provided a constitutional check on congressional power under Article I Section 8 to organize, arm, and discipline the federal militia. The Second Amendment reads, A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. Referred to in modern times as an individuals right to carry and use arms for self-defense, the Second Amendment was envisioned by the framers of the Constitution, according to College of William and Mary law professor and future U.S. District Court judge St. George Tucker in 1803 in his great work Blackstones Commentaries: With Notes of Reference to the Constitution and Laws of the Federal Government of the United States and of the Commonwealth of Virginia, as the true palladium of liberty. In addition to checking federal power, the Second Amendment also provided state governments with what Luther Martin (1744/481826) described as the last coup de grace that would enable the states to thwart and oppose the general government. Last, it enshrined the ancient Florentine and Roman constitutional principle of civil and military virtue by making every citizen a soldier and every soldier a citizen. (See also gun control.)

Until 2008 the Supreme Court of the United States had never seriously considered the constitutional scope of the Second Amendment. In its first hearing on the subject, in Presser v. Illinois (1886), the Supreme Court held that the Second Amendment prevented the states from prohibit[ing] the people from keeping and bearing arms, so as to deprive the United States of their rightful resource for maintaining the public security. More than four decades later, in United States v. Schwimmer (1929), the Supreme Court cited the Second Amendment as enshrining that the duty of individuals to defend our government against all enemies whenever necessity arises is a fundamental principle of the Constitution and holding that the common defense was one of the purposes for which the people ordained and established the Constitution. Meanwhile, in United States v. Miller (1939), in a prosecution under the National Firearms Act (1934), the Supreme Court avoided addressing the constitutional scope of the Second Amendment by merely holding that the possession or use of a shotgun having a barrel of less than eighteen inches in length was not any part of the ordinary military equipment protected by the Second Amendment.

For more than seven decades after the United States v. Miller decision, what right to bear arms that the Second Amendment protected remained uncertain. This uncertainty was ended, however, in District of Columbia v. Heller (2008), in which the Supreme Court examined the Second Amendment in exacting detail. In a narrow 54 majority, delivered by Antonin Scalia, the Supreme Court held that self-defense was the central component of the amendment and that the District of Columbias prohibition against rendering any lawful firearm in the home operable for the purpose of immediate self-defense to be unconstitutional. The Supreme Court also affirmed previous rulings that the Second Amendment ensured the right of individuals to take part in the defending of their liberties by taking up arms in an organized militia. However, the court was clear to emphasize that an individuals right to an organized militia is not the sole institutional beneficiary of the Second Amendments guarantee.

Because the Heller ruling constrained only federal regulations against the right of armed self-defense in the home, it was unclear whether the court would hold that the Second Amendment guarantees established in Heller were equally applicable to the states. The Supreme Court answered that question in 2010, with its ruling on McDonald v. Chicago. In a plurality opinion, a 54 majority held that the right to possess a handgun in the home for the purpose of self-defense is applicable to the states through the Fourteenth Amendments due process clause.

However, despite the use of person in that clause, the McDonald decision did not apply to noncitizens, because one member of the majority, Justice Clarence Thomas, refused in his concurring opinion to explicitly extend the right that far. Thomas wrote, Because this case does not involve a claim brought by a noncitizen, I express no view on the difference, if any, between my conclusion and the plurality with respect to the extent to which States may regulate firearm possession by noncitizens. Thomass conclusion was also supported by his view that the Second Amendment should be incorporated through the Fourteenth Amendments privileges or immunities clause, which recognizes only the rights of citizens.

The relatively narrow holdings in the Heller and McDonald decisions left many Second Amendment legal issues unsettled, including the constitutionality of many federal gun-control regulations, whether the right to carry or conceal a weapon in public was protected, and whether noncitizens are protected through the Fourteenth Amendments equal protection clause.

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Second Amendment | Text, Meaning, Definition, & History

What Is the Second Amendment? | Second Amendment Rights – Reader’s Digest

The answer to that question is as old as the country itself, and it continues to evolve as Americans debate the right balance of individual freedom and public safety.

After every mass shooting and subsequent examination of gun violence statistics, a predictable argument is sure to follow as gun-rights advocates and gun-control advocates square off over what should be done next. Each side speaks with passion and fire about rights and law and the Constitution, the meaning of the right to bear arms and a well-regulated militia, and what these terms mean in the context of our Second Amendment rights.

But does anyone really know what those rights are? Even the experts cant say for certain because the Constitution is constantly being reviewed and reinterpreted. Some commonly held myths about the Constitution also cloud what we think we know about our rights, and that goes for our First Amendment rights as well as our Second.

A lot of people forget that the Supreme Court didnt recognize an individual right to own guns until 2008, says Adam Winkler, professor of Constitutional Law at UCLA and author of Gunfight: The Battle Over the Right to Bear Arms in America. That was when the Court decided District of Columbia v. Heller. The 54 ruling found that the Second Amendment protects the individuals right to bear arms for self-defense, and overturned a Washington, D.C., law that prohibited people from keeping handguns in their homes.

Nowhere else in the Constitutiondoes the people refer to anything other than an individual right, the late Justice Antonin Scalia wrote for the majority. And thus the right to bear arms came to include the right of the individual to own a gun for protectionsomething that had never been articulated by the Supreme Court before.

RELATED: What Would It Take to Amend the Constitution?

The Constitution is a remarkably brief founding documentjust 7,591 words stretched over seven articles defining the authority invested in the government and 27 amendments generally laying out the rights retained by the people. Its brevity is both the beauty and the burden of the Constitution since it allows for interpretation in response to changing circumstances but also lacks specificity to easily settle disputes. When it comes to Second Amendment rights, the tension between these two traits is particularly sharp.

Heres what Second Amendment actually says: A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. That short sentence has sparked endless discussion and disagreement.

The gun debate has been going in circles for decades, and it certainly doesnt bring us together as a society, Winkler says, noting that absolutists on both extremes often drown out more moderate discussion. Nonetheless, he says its important to let every side be heard when deciding which policy to pursue: Thats what makes us a democracy.

RELATED: Interesting Facts and Figures About the Constitution

Another key part of democracy is its ability to adapt to new conditions and societal norms. As attitudes that were once thought of as perfectly natural become abhorrent in more enlightened times, the law can change to reflect that. The subject of race relations is a perfect example.

In the 1896 case of Plessy v. Ferguson, the Supreme Court ruled that state-mandated racial segregation did not offend the Constitution. But in 1954, when civil rights advocates argued in Brown v. Board of Education that separate but equal was a fiction that legalized unconstitutional discrimination, a unanimous Supreme Court agreed. Government-sanctioned segregation was outlawed, in the North and the South, less than 60 years after Plessy.

That same changing dynamic could exist in the context of the Second Amendment. Will the next mass shooting change the hearts and minds of so many Americans that the right to own guns has to change to accommodate this new reality? Its possible. After all, its sometimes said amongst Constitutional scholars that all it takes to change the Constitution is the ability to count to five. In other words, can you get five Supreme Court justices to agree with what you think the Constitution means? Ultimately, the right to bear arms means what a majority of the Court says it means, and that can shift relatively quickly.

But the Courts respect for precedent and history is meant to prevent our fundamental rights from getting blown away too easily by political winds. Justices often look to the Founders struggle in crafting the Constitution for guidance.

RELATED: Why I No Longer Think Guns Are a God-Given Right

The gun control debate frequently focuses on what the Founders intended when they wrote the Second Amendment into the Bill of Rights, as the first 10 amendments are called. Was it so the people could take up arms to fight their own government gone tyrannical, or was the establishment of a well-regulated militia a way to discourage foreign threats? As Winkler and co-author Nelson Lund, a law professor at George Mason University, wrote for the non-partisan National Constitution Center, its a little of both.

While the Constitution and the amendments that would become the Bill of Rights were being debated in the earliest days of the republic, two factions emerged with very different views of what the new nation should look like. What would the relationship between the individual states and the federal government be? Should one be superior to the other? Who should have the firepower to maintain that balance?

States rights advocates, the Anti-Federalists, argued that the proposed Constitution would leave the states vulnerable to federal force, while pro-centralized-government Federalists responded that the people were armed and therefore not easily controlled by a federal army. But the lessons of the Revolutionary War showed that building an army was difficult and a ready militia was necessary for national defense.

Implicit in the debate between Federalists and Anti-Federalists were two shared assumptions, Winkler and Lund wrote. First, that the proposed new Constitution gave the federal government almost total legal authority over the army and militia. Second, that the federal government should not have any authority at all to disarm the citizenry.

RELATED: The Difference Between the Declaration of Independence and the Constitution

But while the Federalists and Anti-Federalists were hashing out the right to bear arms, the states were already regulating who could own guns and how they could keep them, Winkler notes. In 1776, Massachusetts required an oath of loyalty to the Cause of America from anyone who wanted to own a gun, with Pennsylvania passing similar laws to disarm those disaffected by the fight for independence.

Even after the Second Amendment became law, states were in the business of deciding who could own and keep firearms. In slave states like Virginia, for example, African Americans, even freedmen, were barred from possessing weapons.

In 2016s Caetano v. Massachusetts, the Supreme Court extended the Second Amendment right to own weapons for self-defense to include all instruments that constitute bearable arms. But does that mean every individual has the right to own any weapon? The short answer is, no.

Like all of our rights, the Second Amendment is subject to commonsense restrictions, Winkler says.

Just as the First Amendment right to free speech doesnt protect perjury and the Fifth Amendment privilege against self-incrimination doesnt cover voluntary confessions, the individual right to own guns can be regulated without offending the Second Amendment, he says. The Court has approved laws preventing convicted felons and the mentally ill from owning guns, for instance, a position not considered controversial except by the most ardent gun advocates.

Except for the few who favor totally banning firearms on one end of the debate, and the few who favor completely unregulated weapons on the other, the vast majority of Americans fall somewhere in between. They favor reasonable laws targeted at keeping guns out of the most dangerous hands while recognizing law-abiding citizens right to own firearms for self-defense, hunting, and sport. According to a November 2020 Gallup poll, 91 percent of Americans want gun laws to be stricter or to stay as they are, while just 9 percent want looser regulations.

But Winkler says revoking or significantly changing the Second Amendment is highly unlikely. The truth is, there are only about 10 states with restrictive gun laws, he says, including Illinois, Massachusetts, New York, and New Jersey. Notably, California is known for the strictest regulations, and it also has the seventh-lowest rate of deaths by gun violence. Since it takes a super-majority of 38 states to repeal an amendment, and roughly 40 states are gun-friendly, Winkler says the Second Amendment is more likely to be amended to expand gun rights than revoke them. Instead, we will have to continue talking about it and trying to find the sweet spot where our right to individual security and public safety are in balance.

RELATED: Why Is It So Hard to Stop Gun Violence in America?

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What Is the Second Amendment? | Second Amendment Rights - Reader's Digest

Best 5 Online Sports Betting Sites 2022 – Top Rated Sportsbooks

When looking to venture out into sports gambling, you are likely to find hundreds of online sports betting sites out there. When looking for the best sports betting sites, therefore, the most important issues to consider are the perks that come with the websites. This will ensure you enjoy the greatest sports betting online experience. These perks include signing bonuses and easy usability among others. In this article, we are going to review three of the best online betting sites, which are Bovada, BetOnline, and MyBookie.

Bovada.lv also known as Bodog.com in Canada is among the best sports gambling websites that has been in existence since 1994. The sites domain is registered in Latvia. The platform provides access to sport, casino, poker, and racebook wagering.

Bovada has continually offered promotions and offers to its customers. For instance, first-time deposits for sports get bonuses of 50 percent for deposits up to $250, 100 percent for deposits up to $1000 for casino bets, and 100 percent for deposits up to $1000 as poker bonus.

Making a deposit or a withdrawal is easy and only attracts a small fee. For first-time deposits, the processing fee of 4.9 percent is waivered. Payouts are done using rapid transfer, otherwise known as money gram.

Bovada allows sports betting online on their user-friendly mobile interface or in their state of the art poker and casino gaming rooms. The minimum wager online is $1 and $50 for mobile bets. The only limitation to using Bovada is that the odds are posted late and that they have very low wager limits.

Licensed and regulated in Panama, BetOnline offers sports, live, poker, casino, and live dealer types of betting. It offers a wide range of payment options and several accepted currencies, thus making it one of the most convenient sites for customers across the world.

You get a welcome bonus of 50 percent on deposits up to $2500. However, bonus levels are tiered for different types of wagering. The online game library is categorized into 3D slots, table games, slots, and video poker. Most of the bets are placed online since their mobile platform only allows sports betting.

Maximum and minimum deposits and withdrawals are different for different payment options that are offered on BetOnline. Its major shortcoming is that it has high rollover requirements that customers might find difficult to understand.

MyBookie is one of the newest top online sports betting sites in the market. It was established in 2014 in Costa Rica and is fast growing to compete with other older bet staking sites. The minimum online wager on MyBookie is $10 and the maximum is $1000. For mobile wagers, however, there are no limits.

Wagering options for MyBookie include straights, totals, open wagers, action points, teasers, reverses, if bets, futures, and money lines among others. You can bet on games such as NFL Football, college basketball, NBA basketball, NHL hockey, soccer, golf, and horse racing among others.

With one of the highest bet bonuses in the industry, MyBookie gives you a welcome bonus of up to 50 percent for up to $1000 if you are a first time depositor. For reloads, they offer a 20 percent cash bonus. This makes it one of the best sports betting sites.

Its mobile platform has a user-friendly interface that makes it very easy to use. Their customer service is also highly efficient and offers top-notch customer service. This puts them among the best online betting sites today. MyBookie, however, only caters to recreational gamblers as opposed to other top sites that allow professional gambling. The site has also been said to lean more on the US sports market as compared to international sports.

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Best 5 Online Sports Betting Sites 2022 - Top Rated Sportsbooks

Best 7 Sports Betting Sites Online 2023 | Top Sportsbooks

Sports betting on the Internet can be a thrilling experience for anyone. If you want your sports betting experience to go off without a hitch, however, you need to find the right website. Thankfully, the Internet is home to quite a few appropriate sites that can provide users with top-notch experiences. Be sure to check them out as soon as you get the chance.

If youre keen on sports betting online, then there arent many website options that can even compete with Bovada. People who have penchants for gambling on the Internet often cant turn away from this option. It presents users with an abundance of diverse choices as well. Some examples of these are baseball, basketball, and golf. It doesnt matter what your specific sport preferences are. Bovada can help you attain an online betting experience thats one for the record books, period. When youre on the lookout for the best sports betting sites, then Bovada without a doubt should be on your radar. Fans of sports betting online frequently gravitate to Bovada and to all of its choices. Registration with Bovada can be a delight as well. Thats due to the fact that newbies can receive thrilling perks as incentives. If you like the concept of betting on hockey, basketball and the like, then you wont be able to resist paying a visit to Bovada. Tennis bets have never been quite so pleasant online.

BetOnline.ag is another haven for people who adore wagering on their favorite sports. If youre looking to streamline and simplify your sports betting journey in a significant way, then you should go to BetOnline.ag as soon as possible, no exceptions. This website caters to individuals who adore betting on favorites such as tennis, soccer, golf, hockey, baseball, football, and basketball. The sky is honestly the limit for fans who head over to BetOnline.ag these days. BetOnline can be a true haven for individuals who are searching for all of the best sports betting sites. BetOnline accommodates individuals who wish to place efficient wagers on preferred sports of all different varieties. If youre in the mood to gamble in a productive and hassle-free manner, then this user-friendly site may be able to come to your rescue. It welcomes seemingly countless bet enthusiasts on a daily basis.

If youre attempting to pinpoint all of the greatest online sports betting sites going at the moment, then you should take the time to explore SportsBetting.ag right now. This website successfully accommodates people who are in the mood to place bets on basketball, baseball, tennis, soccer, golf, and hockey. If you want to wow the planet with your basketball bet abilities, then SportsBetting.ag can make things simple and stress-free for you. Signing up with SportsBetting.ag is in no way a complex process. SportsBetting.ag is a tried and tested powerhouse among individuals who revel in bets on the Internet. If you want to place wagers without having to worry about any of your choices, then you should check this website out without a hint of delay or reluctance. When you need online sports betting sites that are 100 percent uncomplicated, then SportsBetting.ag doesnt have many competitors whatsoever. Registering for this website isnt at all overwhelming or complex. Its actually a pretty enjoyable thing. If you want to relish wagering on options that tick off all sorts of boxes, then you should take the time to learn everything you can about SportsBetting.ag as soon as possible. The website has a sizable fanbase. It has some of the most conscientious and pleasant customer service representatives out there as well.

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Best 7 Sports Betting Sites Online 2023 | Top Sportsbooks

Best Online Sports Betting Sites 2023 – Top Sportsbooks

The legalization of Sports Gambling has opened up doors for online sports betting sites that have long been innovating and creating user experiences online and in mobile applications. The result is that sports betting has become open for business and that will open the world up to many opportunities for everyone involved.

The best way to get involved in sports betting is to pick from the best online betting sites. Sports betting online is already a business for a litany of companies, but there are a few that have differentiated themselves as the top user experiences in this growing business.The top sites include the following:

The best site depends upon the wants and needs of the individual customer. Sites are known to customize their experience to mobile instances and apps are already developed that will help you bet on a sport virtually anywhere.

Sites can also now be trusted with deposits because of the legality of sports gambling. Sports betting online is now as simple as transferring money from your bank account to start and requesting a payout whenever you feel necessary. The old model where your money was held at an offshore account is no longer necessary. This will bring legitimacy and foster trust between the Company and customer that should make online sports betting sites even more popular.

The very best online betting sites will no doubt continue to innovate. In a lot of ways, websites have only started to come up with new ways to attract customers. Making live bets is a process has not been tested very thoroughly and the best sports betting sites will go online with live sports bets in a way that makes it very easy to make a bet and win or lose within minutes or even seconds. This is just one example of a way that the best sports betting sites will differentiate themselves.

The best thing about making a bet is that the options are endless. There are thousands of wagers available to consumers and it is very easy to find a niche. From making wagers on the coin flip of a game all the way to making over/under bets on season-long wins, there are options for everyone who wants to get a little action on a game.

The reality of wagering is that it can be a very risky proposition if a person takes it too seriously or tries to make a living with their bets. The best way to approach this new legal business to treat it as a hobby and use discretionary income only to make wagers. If treated as a hobby and done in moderation, there is absolutely nothing that is better for a fan of sports. The key to optimizing the experience is to find the right dance partner. The decision between Ignition Casino, Cafe Casino or Slots.lv depends on the preferences of each individual.

There is no telling how much this industry will grow going forward. The future will be defined by increased regulation and transparency which should help to further legitimize the business in the eyes of skeptics. There will no doubt be additional entrants into the industry as the business case is further solidified. All of this will be great for customers looking to get the best gambling deals and user experience. Increased competition will make the experience infinitely better. So buckle up and enjoy the ride!

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Best Online Sports Betting Sites 2023 - Top Sportsbooks

Best Online Sports Betting Site 2023 – #1 Top Sportsbook

Are you looking for the best sites for betting on sports and horse racing? Well, stick around, because this is all about showing you the best online betting sites.

Bovada has changed the face of Sports betting online. They have a great sportsbook, racebook and one of the largest online poker rooms for players in the US. Their racebook is only open to North American thoroughbred and harness races.

Bovada offers a 50% signup bonus up to $250 and a bitcoin sports bonus of 50% up to $500 with a promo code. There is also a 100% match bonus eligible up to $1,000 and a bitcoin casino signup bonus of 150% match up to $1,500, both of which are redeemable up to three times. You starting bonus requires you to bet 5 times the amount of your initial deposit and bonus.

They only offer two ways to make a deposit and that is with credit cards and bitcoin.

Their payout system has improved massively over the years. In the past, this was the main complaint about Bovada, but now that they fixed it by speeding up the process and being one of the first online sports betting sites to offer bitcoin withdrawals.

The minimum deposit amount is only $20.

They offer 24/7 toll-free customer service via telephone. They can help you in English, Spanish or Portuguese, and they dont offer live chat, the wait time is about 1 minute on phone calls and a few minutes for emails. Bovada covers all the major sports. They offering straight bets, teasers, if bets parlays, futures, and props on just about any sport. This makes Bovada one of the best Online sports betting sites. Read here for more.

BetOnline is great for sports gambling online in many ways, but especially with baseball. They constantly work to improve the online experience with their bonuses and other elements such as Superbowl betting types.

BetOnline has a 50% signup bonus up to $1,000. There is also a 25% reload bonus eligible up to $1,000 and a $100 bonus for every friend who signs up and makes a deposit.BetOnline also has free play reload bonuses.

You can make a deposit with Visa, Mastercard, Discover Card, Diners Club cards or American Express. They also accept Moneygram or Western Union transfers, bank wire transfers, Bitcoin and Etherum deposits, checks, or you can send money from your Skrill account. Offering so many options makes them one of the Best Sports betting sites.

The minimum deposit amount is only $10, which is the lowest youll find.

They have great, round the clock customer service. BetOnline has live chat, a toll-free phone number both can be reached 24/7 in English or Spanish.

Having separate email addresses for the casino, racebook and sportsbook is a huge plus in terms of getting results when you have a problem.

BetOnline is a great gambling site because they put lots of effort into their Racebook. They have a well-run blog that offers advice for gamblers of all skill levels and they really know how to keep novice bettors interested and coming back.

MyBookie is another place which offers Sports betting online. They are newer than the others but already have a great reputation online.

They 50% signup bonus up to $1,000, a 100% casino signup bonus up to $300. While the refer-a-friend bonus is only 10%, that can be offset if you refer high ticket customers to them. They also have a 3- tier loyalty program that offers free payouts, birthday gift cards, game seats, and more bonuses.

They accept Visa, Mastercard, Bank Wire, Check, and Person-to-Person Transfer for deposits. The minimum deposit amount is $50. You are allowed one free payout, then youll be subjected to a fee for each withdrawal.

Payouts are completed within 48 hours. This makes them a top sites out there.

They offer a live chat customer service or you can call them 24/7, but they only support English. They are one of the newest Super Bowl betting websites, but theyre one of the top sites for Sports gambling.

These websites are Best Sports betting sites because they value their customers and constantly work to make improvements.

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Best Online Sports Betting Site 2023 - #1 Top Sportsbook

How to Bet on Sports for Beginners: 12 Tips to Know

Over the past four years, sports betting has emerged from the shadows and into the mainstream. The anti-gambling stigma that existed for decades faded quickly in American popular culture, opening the door for a massive, multibillion-dollar legal sports betting industry to emerge.

With sports betting now legal in many states, millions of sports fans will be looking to enter the betting market for the first time.

But where do you begin if youre unfamiliar with the terminology?

Heres an introduction into how to bet on sports with 12 things that every beginner needs to know.

Use the links below to jump to each section.

When oddsmakers release a betting line on a game, the first thing they do is decide which team should be the favorite and which should be the underdog.

The favorite is the team that is more likely to win the game and will get a minus sign next to its odds. The underdog is expected to lose and gets a plus sign.

Heres how it looks at FanDuel.

If the game is a true 50/50 toss-up, books will open it as a pick or pickem.

There are two main ways to bet on a favorite or an underdog. The first is the point spread, which is a bet on the margin of victory.

Lets use the same example from FanDuel.

The Eagles are a -4.5 favorite over the Lions in Week 1. That means anyone betting on Philadelphia needs the Eagles to win by 5 or more points. Anyone betting on Detroit needs the Lions to lose by 1-4 points or win the game.

Point spreads are adjusted for team ability and many other factors. Thats why the Colts are an 8-point favorite on the road against the lowly Texans, while the Eagles are a smaller favorite on the road against the Lions.

Spreads are available in every sport but most common in higher-scoring sports like basketball and football.

Still confused? Check out this video breaking down point spreads.

The second way to bet on a favorite or an underdog is on the moneyline. A moneyline bet requires you to just pick the winner of the game, and uses American odds to calculate the payout.

American odds are centered around winning $100.

So if youre betting a -200 favorite, you need to risk $200 to win $100, or any fraction of that $20 to win $10, $2 to win $1, etc.

If youre betting a +200 underdog, you will win 2x your money for every dollar wagered $100 to win $200, $10 to win $20, $1 to win $2, etc.

Back to Colts-Texans. Oddsmakers believe Indianapolis is the much stronger team. So to bet the Colts just to win the game, you need to risk a substantial amount.

The Colts are -375 that means you need to risk $375 to win $100 or $37.50 to win $10.

The Texans are +300. If you bet $100, youll win $300. Or if you bet $5, youll win $15.

So why do you have to risk more on the favorite than youd win on the underdog?

This is called the juice, and its how sportsbooks maintain their edge over bettors.

Moneylines are available for all sports, but they are predominantly used when betting on lower-scoring sports like baseball, hockey and soccer.

In addition to setting a line for the favorite and the underdog, oddsmakers will also set a total number of points scored in a game by both teams combined. This is called the total or over/under.

Bettors can then wager on whether or not the game will go over or under the total. Youre not trying to guess the exact score (though that bet is available, too).

Eagles-Lions has a total of 46 about average for an NFL game.

The over/under concept is applied to many different kinds of bets.

With many bets, you may see two numbers a spread like -4.5, and then odds below it, like -110.

Lets say youre betting on the Colts at DraftKings.

If you wager $11 to win $10 and the Colts win by 14, youd win $10. If the Colts win by 3, youd lose $11.

NFL spreads will usually be -110 on both sides.

But for something like an MLB spread, where the line is almost always -1.5 for the favorite and +1.5 for the underdog, the juice will differ depending on the gap in ability between the two teams.

OK, so you now know what each bet means. So how do you place them?

Most sportsbooks make it quite easy.

Each team will be lined up with its corresponding lines. So in that video, USC was a 14-point underdog against Alabama. To bet USC, just click the cell across from its name.

So where can you actually place a bet?

More than half the U.S. states have some form of legal betting, but about 20 have full online wagering. Others have only in-person betting at casinos, racetracks and other venues.

Here are the NBA Championship Futures Oddsoffered by BetMGM Sportsbook: Updated January 30, 2023 Odds Provided by BetMGM Subject to Change

In the end, you have the final say on how much to risk on a game, but a good rule is risk only what you can afford to lose. Sports betting is a marathon, not a sprint. There will be good days and bad days. As a result, we recommend a flat-betting approach.

This means betting the same amount on every game and risking only 1% to 5% of your bankroll per play (the bankroll is the starting amount you have at your disposal to bet with). For example, if you are starting with a bankroll of $100, you should risk no more than $5 per game.

By employing a flat-betting approach, bettors guard themselves against losing their entire bankroll during a bad stretch, but also set themselves up for a positive return on investment (ROI) when theyre doing well.

Click to return to table of contents.

A parlay is a wager type in which two or more bets are linked together to create one bet with a greater payout, but all the bets must win.

So instead of betting $10 each on three games, you can make one $10 wager that will pay out more of all three teams win. But if even one loses, you lose your $10.

The payouts will vary based on how many bets you include, and the prices of those bets.

This MLB parlay with Mariners +114, Mets -220 and Marlins and Marlins -134 pays +443.

Even more popular than traditional parlays featuring multiple games is the same game parlay, pioneered by FanDuel and now offered by almost every sportsbook.

This feature allows you to parlay multiple bets from the same game, with the correlation of each event priced in. That means if you bet over 51 in Rams-Bengals and Matthew Stafford over 2.5 passing touchdowns, you wont get the full parlay payout, because those events are more likely to happen together.

Same game parlays wildly popular in standalone NFL and NBA games.

Betting spreads and totals isnt enough for most people anymore.

Props short for proposition bets can be any wager thats not a standard point spread, moneyline or total.

But when people refer to props, theyre usually talking about player props like:

Like point spreads, you often have to pay the corresponding price with props.

Here, Scherzers strikeout total against the Reds is set at 7.5. But its more likely than not he goes under, according to FanDuels lines, so you have to pay a steeper price to bet the under than the over.

If youre getting serious about making money betting sports, props are a great place to start.

U.S. sportsbooks offer hundreds of props on every game, creating a greater attack surface since they cant properly price all of them. Even if youre not creating your own statistical models, tracking specific props and understanding how theyre priced can help give you an edge over the sportsbooks.

Lines can vary based on the sportsbook, because different books have different clienteles. As a result, one book may post the Cavs -8 while another has -7.5.

Having access to more than one sportsbook allows you to shop for the best line. Getting an extra half-point might not seem like a huge deal, but it adds up over the long haul and increases your chances of winning.

Our live odds pages will automatically surface the best line for every game.

This isnt Monopoly money, so you want to make sure youre tracking your progress. The easiest way to do that is withour award-winning (and free!) app, which has awesome features like live bet cover probability and odds shopping, it also lets you track all of your bets across nearly every sport.

And thats valuable because you can identify where your strengths and weaknesses are as you start betting. Are you more successful betting on the NFL or NBA? Do you thrive when taking player props or over/unders? These are all a good thing to know, and it can allow you to maximize your winnings.

Check it out for free here.

Link:

How to Bet on Sports for Beginners: 12 Tips to Know

Best Sports Betting Sites 2023 Online Sportsbooks Ranked

Commercial content. 21+.

The New York Post ranks the best legal sports betting sites in America, with a comprehensive guide on all the best online sportsbooks, and the best sports betting bonuses out there.

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BetMGM is one of the most well-known sportsbooks in the US thanks to their affiliation with the MGM brand. Their strong welcome offer is one of the best youre going to come across, one that can be used on their huge range of sports markets.

The selection of live betting and same-game parlay markets also prove to be seriously impressive, all factors that contribute to BetMGM having one of the best sportsbooks around. Right now, BetMGM is offering new customers up to $1,000 back in bonus bets if their first bet loses.

There are many reasons as to why Caesars is so high on our list. Their new customer offer is one of the largest and most generous youll get on any legal sports betting site, and they also provide lots of ongoing bonuses for existing customers.

They offer competitive odds on all the biggest sports out there, with some smaller, less popular sports markets also available. Their betting limits are high, which is great for high rollers, with loads of payment choices available.

Despite lacking a live streaming function, their site is simple to use and caters to new and experienced players. With a great new customer incentive, theres not much wrong with Caesars Sportsbook.

Like other sportsbooks, FanDuel initially specialized in daily fantasy sports, but now has become one of the best online sports betting sites in the US.

Boasting one of the biggest betting markets out there, FanDuel also presents an impressive geographic footprint. In most states with legal sports betting, FanDuel has a presence, with it often being one of the best in these states.

Their welcome bonus is simple and easy to clear, with daily bonuses and in-play markets all very enticing. Theres no doubt that FanDuel deserves to be high up on our list, and you will not be disappointed.

BetMGM stands above others for betting experience. They boast a growing range of sports to bet on, with strong odds and plentiful live streaming broadcasts.

Their mobile app features a simple design and provides easy navigation, making sure youre always finding what youre looking for. Its hard to find any flaws with BetMGM, with their welcome offer being very competitive amongst other sportsbooks.

Frequent promotions and bonus offers make BetMGM exciting to play with, catering to all different types of bettors. If youre uncertain about which betting site to start with, then look no further than BetMGM.

Barstool Sports officially entered the sports betting business in September 2020, and Barstool Sportsbook has gone from strength to strength ever since.

Their new customer offer is fantastic, and for a sportsbook which is less well known in the sports betting world, is very generous and lucrative. The sportsbook provides a handsome volume of unique promotions, as well as plenty of partnerships with the fun and entertaining Barstool Sports platform.

While they are not covering as many states as some of the other big boys in sports betting, their sportsbook and mobile app is very strong, and given the quality of their new customer offer, this sportsbook is not one to miss out on.

Launching in Colorado and Virginia, Sports Illustrated Sportsbook becomes one of the newest additions to the sports betting scene in the USA.

A fresh and slick interface greets bettors upon arrivial, with SI sportsbook catering to all levels of betting calibre. The newly launched operator boasts many of the user-friendly and in-demand features found on the 888 Sport platform.

Their new customer offer is easy to claim, and gets new users off to a fantastic start to life with SI Sportsbook. The new kid on the block, but dont be fooled. SI Sportsbook knows a lot about the world of sports betting, and is not one to pass up on.

BetRivers sign-up offer and available betting markets are on par with other highly rated bookmakers, with strong odds to boot.

Their live streaming feature and their extremely easy to use mobile app give BetRivers some plaudits other sportsbooks may not gain. The BetRivers sportsbook app is their particular strongpoint, engulfing everything that a great sports betting app should have.

They are professional, experienced, and courteous, with great customer service options should you need any help. Theres a lot to like about BetRivers, but as always, theres still room for improvement.

WynnBet is another internationally recognized name in gambling, but it faces stiff competition from well-established, well-funded, and more experienced operators.

In summary, WynnBet is a safe and licensed mobile sportsbook, but it lags the competition in numerous important ways. Promotions, variety of bets offered, and software are all lacking compared to most of the industrys other operators.

However, WynnBet features competitive pricing for major and minor sports. In many instances, bettors will find WynnBet offers better odds than some of its bigger rivals.

A global sportsbook, bet365 really know the sports betting game inside and out. There are plenty of sports to bet on across the world, more so than their competitors.

There are a ton of bonuses that are available for new customers and for regular bettors on a daily basis. Many of these deals focus on free bets, early payout offers, and parlay betting for various sports.

Despite not being legal and licensed is as many states as other big names in sports betting, there is no doubting bet365 is still a strong online betting site.

One of the newer faces in online sports betting, Borgata is a safe choice to place your sports wager. Their welcome offer is easy to claim, and despite not being as generous as other sports betting sites, still boasts a healthy first promotion.

Their mobile betting app is slick and easy to use, and their customer ratings are fantastic. Borgata has not been going for too long, and we would expect them to improve over the coming months and years.

SugarHouse Sportsbook offers great bonuses, a lucrative loyalty program, strong customer service and a sophisticated sports betting platform.

It covers more sports than most of rivalonline sportsbooks, provides hundreds of betting options on big games and its odds are competitive. It also has great customer service, live streaming and a reputation for delivering very quick payouts.

Legal in just a handful of states, SugarHouses range is a limiting factor in our list, but theres still plenty to enjoy.

Play Gun Lake may not be one of the bigger names in the industry, but it definitely is worth checking out. Bringing a fresh and attractive interface that is user-friendly and makes it easy to navigate.

They provide exciting customer promos throughout the year on many different sporting events. Free bets, bonuses, and odds boosts are consistently being promoted, including an exciting exclusive promotion called Half the Spread and Double the Spread.

They are legal and licensed in just one state, Michigan, which harpers their reputation. Were excited to see where this sports betting sites grows to, and there is plenty of promising potential.

Since the 2018 removal of the Professional and Amateur Sports Protection Act (PASPA), the number of states that offer legal sports betting has massively increased.

There are now 26 states which offer some form of legal online betting, with each state having different numbers of sportsbooks available to bet on.

While its fantastic that a large number of states have legalized online sports betting, there are still plenty of states yet to legalize it.

As the number of states which have legalized sports betting continues to rise, there are a few states close to going live.

Online sports betting is completely legal and legitimate when you play with a site thats officially licensed in the state where you are depositing, betting or withdrawing.

Your money is safe with a licensed sportsbook and with excellent customer service facilities available, there is plenty of help available should you need it.

Online sports betting at this point in time is legal in some form, in 26 states. These states being:

AZ, AR, CO, CT, DE, FL IL, IN, IA, LA, NV, NH, NJ, NY, MI, MS, MT, OR, PA, RI, SD, TN, VA, DC, WA, WV and WY.

Not all states have the same sports betting capabilities, with different states legalizing different types of wagering. It is important to check for your state for the rules and regulations.

An increasing number of states are moving toward legalizing online sports betting, so be sure to check back to this list.

You will be able to bet online legally via any of the sportsbooks licensed to operate in your state.

All legal and licensed sportsbooks are accessible via their websites. Many of the best sportsbooks have apps for iOS and Android devices, allowing you to play via your mobile device.

As long as you are over the age of 21 and within New York state lines, you are able to wager and bet with any of the licensed sportsbooks in NY.

All of the major US sports are available. NFL football, MLB baseball, NBA basketball, NHL hockey and MLS soccer are the most popular ones to bet on.

The top online sportsbooks tend to have the most diverse ranges of sports and odds, with everything from UFC, boxing, tennis and NASCAR to darts, rugby, badminton and more.

Yes. Its legal to bet on college sports matchups in some states. Most states have the rule that you cannot place bets on universities in your state, or on college sports events taking place in your state.

The states where college sports betting is legal are as follows:

It is definitely worth researching your states rules for college sports betting before you start to think about whos going to win March Madness.

Well, the stage is set for Super Bowl 57 as the Kansas City Chiefs will take on the Philadelphia Eagles. Unfortunately, the big game is about two weeks away.

However, the good news is that there is plenty of action to keep us busy. The NBA takes the spotlight tonight as they have eight games on the docket tonight.

Lebron James and the Lakers will be in town tonight as they take on Kyrie Irving and the Brooklyn Nets. Thats not all as out west. Two of the games best point guards will square off as the Atlanta Hawks face the Portland Trailblazers.

In the collegiate circuit, the Big 12 is the conference to watch tonight. No. 12 Baylor will square off against No. 10 Texas, and the No. 12 Iowa State Cyclones will be tested as they take on Texas Tech.

In order to wager your money on sports and withdraw any winnings in your state, you must be at least 21 years old, and be within state lines.

Bettors will only be allowed to place bets at one of the legal and licensed online sportsbooks in your state. It is necessary to check which online sportsbooks are legal and licensed in your state before playing.

Read more:

Best Sports Betting Sites 2023 Online Sportsbooks Ranked

Best Sports Betting Apps USA – Top 9 Sportsbook Apps in 2023 – Covers.com

A great sports betting app is packed with features and optimized for quick, reliable, on-the-go wagering. Here's what we look for in a mobile betting app:

Mobile sportsbook apps are developed with the user in mind. These apps should provide bettors with a superior betting experience than they would otherwise find using a browser and visiting a sportsbooks website. Users should expect an enjoyable, mobile-optimized journey, including smooth navigation, large buttons, and fast load times.

A beautifully-crafted sports betting app must also deliver what bettors crave most: all of the features they would expect to enjoy when wagering at a retail sportsbook or on a sportsbooks website. The best sports betting apps should mirror and improve upon the features users enjoy when confirming their picks elsewhere. Some features to look for include bonuses and promotions, early cash out, and live streaming.

A sportsbook app should offer a broad selection of sports and bet types while making it easy for its users to locate, preview, and submit their bets. Popular wagers include the moneyline, Over/Under (totals), point spreads, futures, teasers, props, same game parlays, and live betting.

The top mobile sports betting apps give their users the option to choose from a variety of sportsbook deposit and withdrawal methods. Deposit options should include debit cards, credit cards, bank transfers, PayPal, and more. Bettors must be able to access their funds easily, and withdrawals must be processed in a timely manner.

Top-notch security is a must for any mobile sportsbook. But the top sportsbooks in the nation go above and beyond to keep your funds safe and ensure no harm will come to your device. Look for a mobile app with two-step verification, timed logouts, and precise geolocation software.

Follow this link:

Best Sports Betting Apps USA - Top 9 Sportsbook Apps in 2023 - Covers.com

How Does Sports Betting Work? Forbes Betting

Sports betting has never been more accessible, but theres a learning curve for those who dont quite understand how all the different bet types work. Below we provide detailed explanations on the most popular bet types, including real-world examples.

A straight bet is the most common type of sports wager. Sometimes referred to as a single bet, a straight bet is simply wagering on the result of a single game or event.

The best way to think of spread bets is theyre related to margins of victory. A spread bet involves either giving away or taking a certain number of points/goals/runs. That number is determined by the sportsbook and reflects the expected victory margin.

Bettors choose whether theyre going to take the spread (which means betting the underdog) or give the spread (which means betting the favorite).

All point spreads have odds attached to them, and more often than not, those odds are -110 for both teams. As we explained above in the How do the odds work section, that means if you want to bet either the Cowboys -5.5 points or Eagles +5.5 points, you would have to wager $110 for a chance to win $100 (or $11 to win $10).

A parlay is a combination of two or more straight wagers into one bet. Parlays are popular because they open up the door to win bigger payouts while risking less money. (Think of it as sports bettings version of a lottery.)

The number of legs (bets) in a parlay, as well as the odds attached to each of those legs, determines how much a bettor can win. The bigger the parlayand the bigger the betthe bigger the potential payoff.

However, its important to note that parlays of any size are difficult to hitand the more legs you add, that degree of difficulty increases exponentially. All it takes is for one leg to miss and your parlay is dead. In fact, if you go 6-1 on a seven-team parlay, you might as well have gone 0-7.

Here are the two main types of parlays:

A third parlay type is called a teaser, which is most popular in football (particularly the NFL). Like a parlay, a teaser is constructed with two or more teams. The main differences: Only point spread bets can be included in teasers, and bettors are allowed to shift the point spread by a certain number of points in any direction they desire.

Heres an example of a four-team, 6-point NFL teaser:

If you put the Steelers, Dolphins, Cardinals and Raiders in your teaser, you would be able to move the point spread 6 points in your favor. So teaser point spreads would be:

Because bettors get to move the point spreads, the payouts on teasers are much lower than parlays.

Totals bets are quite similar to point spreads. Also referred to as Over/Under betting, totals bets focus on the final score of a given game rather than who wins the game.

When betting a total, youre just predicting if the two involved sides will combine for more (Over) or fewer (Under) runs/goals/points than the total amount posted by the sportsbook.

If youre interested in diving into Over/Under betting, remember this popular saying as it relates to wagering on totals: Its never Under until its Over! Meaning, as long as a game is ongoing, its always possible to win your Over bet (or lose your Under bet).

On the flip side, if you bet on Seahawks-Rams Over 42.5 points and the score is 24-21 at halftime, youve got a winner and dont have to sweat out the second half.

Futures bets are another fun way to get involved in sports betting. Rather than wagering on a game taking place today or this week, futures bets are just that: bets that will be decided in the future.

Examples include betting on a team to win the World Series; betting on a country to win soccers World Cup; betting on a golfer to win next years Masters tournament; and betting on a player to win NFL Offensive Rookie of the Year.

Futures bets tend to offer greater oddsand thus larger potential payoutsthan straight bets. The reasoning is simple: Its tougher to predict, say, the Stanley Cup winner at the start of an NHL campaign than it is to choose which team will win a random regular-season game.

An important thing to remember about futures bets: The odds are constantly changing. For instance, just because the Los Angeles Lakers have +1500 odds to win the NBA title on Day 1 of a season doesnt mean those odds will hold firm for the next seven months (in fact, they most certainly will not).

Injuries, trades and performing below (or above) expectations can affect how a futures market unfolds. That said, the odds you get when you place your wager will never changein other words, if you bet the Lakers at +1500, those are your odds all season. If the betting market drops the Lakers to +400 because theyre playing well, you made a great bet. But if the Lakers struggle and their odds fall to +5000, well your bet is in big trouble.

Serious bettors who get involved in the futures market are always look for the best value. You should, too. Thats why its important to do your research before putting your money down. After all, why would you bet the Lakers at +1500 at one sportsbook when another is offering odds at +1800?

While other markets focus on the final outcome of a game or event, prop bets relate to an individual athletes performanceor even something that doesnt show up in the boxscore.

One example of a player prop would be betting on Tom Bradys total touchdown passes in a game (Over or Under 1.5 TD passes).

One example of a prop bet that has absolutely nothing to do with the actual action on the field or court would be predicting the color of Gatorade that douses the coach of the Super Bowl-winning team.

Here are some of the more popular forms of prop bets:

Here is the original post:

How Does Sports Betting Work? Forbes Betting

Universe | NASA Space Place NASA Science for Kids

What Is the James Webb Space Telescope?

The James Webb Space Telescope is the largest, most powerful space telescope ever built.

NASA Activity Books

Become a NASA Space Place Explorer with these printable activity books.

Color Your Universe: Find the Hidden Objects

Can you find all the NASA and space-themed hidden objects?

What Are Constellations?

Learn more about what these groups of stars can (and cant) tell us about our place in the universe.

How Scary Is Space?

Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek!

Is Time Travel Possible?

Airplanes and satellites can experience changes in time! Read on to find out more.

What Powers a Spacecraft?

It all depends on what the spacecraft will do! Read on to learn more.

What Is a Transit?

A transit is when one object in space crosses in front of another object in space. The Moon transits the Sun during an eclipse, but did you know that other objects can transit, too? Learn more in this article.

How Old Are Galaxies?

Most galaxies formed more than 10 billion years ago! Learn about how we find the age of galaxies using light.

What Is a Light-Year?

A light-year is the distance light travels in one Earth year. Learn about how we use light-years to measure the distance of objects in space.

What Is a Nebula?

A nebula is a cloud of dust and gas in space.

How Many Solar Systems Are in Our Galaxy?

Astronomers have discovered 2,500 so far, but there are likely to be many more!

What Is a Supernova?

Learn more about these exploding stars!

What Is a Gravitational Wave?

How do gravitational waves give us a new way to learn about the universe?

What Is an Exoplanet?

What is an exoplanet? And how do we know they're out there?

Searching for Other Planets Like Ours

Exoplanets are far away and hard to see. How do we look for them?

Types of Galaxies

Explore the different types of galaxies!

What Is a Barycenter?

And how does it help us find new planets?

Make Stretchy Universe Slime!

Make the universe stretch and expand!

Dark Matter

and dark energy, too!

Make a Pinwheel Galaxy Pinwheel

A galaxy in the palm of your hand

What Is a Galaxy?

How many are there?

What Is the Big Bang?

Why do we call it that?

Where Does Interstellar Space Begin?

Interstellar space begins where the suns magnetic field stops affecting its surroundings.

What Is a Satellite Galaxy?

What are they and what will become of them?

Build your own spacecraft!

Become a NASA engineer!

What Is a Black Hole?

Space Place in a Snap tackles this fascinating question!

A Planet Without a Sun?

Astronomers may have found a planet without a sun!

What Is a Planet?

The answer isn't so simple...

Make a Galactic Mobile

Let the beauty of the galaxies shine in your room.

Write your own zany adventure story!

Write your own zany adventure story!

Gallery of NASA Universe Images

Galaxies, nebulae, and supernova remnants to view or print.

What Is Gravity?

Gravity is the force by which a planet or other body draws objects toward its center.

What's in Space?

What is out there that you cannot see with your bare eyes?

Lucy's Planet Hunt . . .

A story about a girl's search for another Earth.

NASA Pumpkin Stencils

Paint pumpkins with space and Earth science designs

Printable Space Valentines

Share these with your friends and family!

Explore the Electromagnetic Spectrum

The windows show the Universe in all its colors.

Make colorful star cookies!

Find out why stars aren't all the same color.

A real shooting star!

Is Mira the zippiest star in the galaxy?

Build a physics machine!

And learn about conservation of oomph!

Make a Galaxy Montage

Make a colorful work of galactic art.

Roman Space Observer

Catch as many astrophysical objects and phenomena as possible in this game! This link takes you away from NASA Space Place.

Build a model spacecraft to explore the universe!

Paper models of the great space observatories and explorers of the universe. This link takes you away from NASA Space Place.

StarChild

A learning center for young astronomers. This link takes you away from NASA Space Place.

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Universe | NASA Space Place NASA Science for Kids

What Is Space? – A Definition of Our Universe and Beyond | Space

We often refer to our expanding universe with one simple word: space. But where does space begin and, more importantly, what is it?

Space is an almost perfect vacuum, nearly void of matter and with extremely low pressure. In space, sound doesn't carry because there aren't molecules close enough together to transmit sound between them. Not quite empty, bits of gas, dust and other matter floats around "emptier" areas of the universe, while more crowded regions can host planets, stars and galaxies.

From our Earth-bound perspective, outer space is most often thought to begin about 62 miles (100 kilometers) above sea level at what is known as the Krmn line. This is an imaginary boundary at an altitude where there is no appreciable air to breathe or scatter light. Passing this altitude, blue starts to give way to black because oxygen molecules are not in enough abundance to make the sky blue.

Related: Where DOES Space Begin? Virgin Galactic Flies Right into the Debate

No one knows exactly how big space is. It's difficult to determine because of what we can see in our detectors. We measure long distances in space in "light-years," representing the distance it takes for light to travel in a year (roughly 5.8 trillion miles (9.3 trillion kilometers)).

From the light that is visible in our telescopes, we have charted galaxies reaching almost as far back as the Big Bang, which is thought to have started our universe about 13.8 billion years ago. This means we can "see" into space at a distance of almost 13.8 billion light-years. But the universe continues to expand, making "measuring space," even more challenging.

Additionally, astronomers are not totally sure if our universe is the only one that exists. This means that space could be a whole lot bigger than we even think.

The majority of space is relatively empty, with just stray bits of dust and gas floating around. This means that when humans send a probe to a distant planet or asteroid, the craft will not encounter "drag" in the same way that an airplane does as it sails through space.

In fact, the vacuum environment in space and on the moon, is one reason why the lunar lander of the Apollo program was designed to have an almost spider-like appearance, as it was described by the Apollo 9 crew. Because the spacecraft was designed to work in a zone with no atmosphere, it didn't need to have smooth edges or an aerodynamic shape.

In addition to the bits of debris that speckle the "emptier" regions of space, research has shown that these areas are also home to different forms of radiation. In our own solar system, the solar wind charged particles that stream from the sun emanate throughout the solar system and occasionally cause auroras near Earth's poles. Cosmic rays also fly through our neighborhood, stemming from supernovas outside of the solar system.

In fact, the universe as a whole is inundated with what is known as the cosmic microwave background (CMB), which is essentially the leftover radiation from the explosion mostly commonly known as the Big Bang. The CMB is the oldest radiation that our instruments can detect.

Infographic: Cosmic Microwave Background Explained

There remain two giant mysteries about space: dark matter and dark energy.

While scientists have provided extensive evidence for the existence of dark matter and dark energy, they are each still poorly understood as, so far, scientists cannot directly observe them and can only observe their effects.

Roughly 80% of all of the mass in the universe is made up of what scientists have dubbed "dark matter," but it's not known what it actually is or if it is even matter by our current definition. However, while dark matter doesn't emit light or energy and cannot, therefore, be directly observed, scientists have found overwhelming evidence that it makes up the vast majority of the matter in the cosmos.

Dark energy might have a similar name to dark matter, but it's a whole different component entirely.

Thought to make up nearly 75% of the universe, dark energy is a mysterious and unknown force or entity that scientists think is responsible for the universe's ongoing expansion.

Smaller black holes can form from the gravitational collapse of a gigantic star, which forms a singularity from which nothing can escape not even light, hence the name of the object. No one is quite sure what lies within a black hole, or what would happen to a person or object who fell into it but research is ongoing.

An example is gravitational waves, or ripples in space-time that come from interactions between black holes. This was first predicted by Albert Einstein at the turn of the last century, when he showed that time and space are linked; time speeds up or slows down when space is distorted.

As of mid-2017, the Laser Interferometer Gravitational-Wave Observatory (LIGO) Scientific Collaboration has announced three black-hole interactions and mergers detected through gravitational waves, in just two years.

The team found these three events in about two years, indicating that when LIGO is implemented at full sensitivity, the observatory may be able to find these sorts of events frequently, scientists said in May 2017. Should a bunch of these black hole events be detected, it could help scientists learn how black holes of a certain size (several tens of sun masses) are born, and later merge into new black holes.

Stars (like our own sun) are immense balls of gas that produce their own radiation. They can range from red supergiants to cooling white dwarfs that are the leftovers of supernovas, or star explosions that occur when a big one runs out of gas to burn. These explosions spread elements throughout the universe and are the reason that elements such as iron exist. Star explosions can also give rise to incredibly dense objects called neutron stars. If these neutron stars send out pulses of radiation, they are called pulsar stars.

Planets are objects whose definition came under scrutiny in 2006, when astronomers were debating whether Pluto could be considered a planet or not. At the time, the International Astronomical Union (the governing body on Earth for these decisions) ruled that a planet is a celestial body that orbits the sun, is massive enough to have a nearly round shape, and has cleared its orbit of debris. Under this designation, Pluto and similar small objects are considered "dwarf planets," although not everyone agrees with the designation. After the New Horizons spacecraft flew by Pluto in 2015, principal investigator Alan Stern and others again opened up the debate, saying the diversity of terrain on Pluto makes it more like a planet.

The definition of extrasolar planets, or planets outside the solar system, is still not firmed up by the IAU, but essentially astronomers understand it to mean objects that behave like planets in our neighborhood. The first such planet was found in 1992 (in the constellation Pegasus) and since that time, thousands of alien planets have been confirmed with many more suspected. In solar systems that have planets under formation, these objects are often called "protoplanets" because they aren't quite the maturity of those planets we have in our own solar system.

Asteroids are rocks that are not quite big enough to be dwarf planets. We've even found asteroids with rings around them, such as 10199 Charilko. Their small size often leads to the conclusion that they were remnants from when the solar system was formed. Most asteroids are concentrated in a belt between the planets Mars and Jupiter, but there are also many asteroids that follow behind or ahead of planets, or can even cross in a planet's path. NASA and several other entities have asteroid-searching programs in place to scan for potentially dangerous objects in the sky and monitor their orbits closely.

In our solar system, comets (sometimes called dirty snowballs) are objects believed to originate from a vast collection of icy bodies called the Oort Cloud. As a comet approaches the sun, the heat of our star causes ices to melt and stream away from the comet. The ancients often associated comets with destruction or some sort of immense change on Earth, but the discovery of Halley's Comet and related "periodic" or returning comets showed that they were ordinary solar system phenomena.

Among the biggest cosmic structures we can see are galaxies, which essentially are vast collections of stars. Our own galaxy is called the Milky Way, and is considered a "barred spiral" shape. There are several types of galaxies, ranging from spiral to elliptical to irregular, and they can change as they come close to other objects or as stars within them age.

Often galaxies have supermassive black holes embedded in the center of their galaxies, which are only visible through the radiation that each black hole emanates as well as through its gravitational interactions with other objects. If the black hole is particularly active, with a lot of material falling into it, it produces immense amounts of radiation. This kind of a galactic object is called a quasar (just one of several types of similar objects.)

Large groups of galaxies can form in clusters that are groups as large as hundreds or thousands of galaxies bound together gravitationally. Scientists consider these the largest structures in the universe.

This page was updated in Jan. 2022 by Space.com senior writer Chelsea Gohd.

Original post:

What Is Space? - A Definition of Our Universe and Beyond | Space

Space – Wikipedia

Space is the boundless three-dimensional extent in which objects and events have relative position and direction.[1] In classical physics, physical space is often conceived in three linear dimensions, although modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. The concept of space is considered to be of fundamental importance to an understanding of the physical universe. However, disagreement continues between philosophers over whether it is itself an entity, a relationship between entities, or part of a conceptual framework.

Debates concerning the nature, essence and the mode of existence of space date back to antiquity; namely, to treatises like the Timaeus of Plato, or Socrates in his reflections on what the Greeks called khra (i.e. "space"), or in the Physics of Aristotle (Book IV, Delta) in the definition of topos (i.e. place), or in the later "geometrical conception of place" as "space qua extension" in the Discourse on Place (Qawl fi al-Makan) of the 11th-century Arab polymath Alhazen.[2] Many of these classical philosophical questions were discussed in the Renaissance and then reformulated in the 17th century, particularly during the early development of classical mechanics. In Isaac Newton's view, space was absolutein the sense that it existed permanently and independently of whether there was any matter in the space.[3] Other natural philosophers, notably Gottfried Leibniz, thought instead that space was in fact a collection of relations between objects, given by their distance and direction from one another. In the 18th century, the philosopher and theologian George Berkeley attempted to refute the "visibility of spatial depth" in his Essay Towards a New Theory of Vision. Later, the metaphysician Immanuel Kant said that the concepts of space and time are not empirical ones derived from experiences of the outside worldthey are elements of an already given systematic framework that humans possess and use to structure all experiences. Kant referred to the experience of "space" in his Critique of Pure Reason as being a subjective "pure a priori form of intuition".

In the 19th and 20th centuries mathematicians began to examine geometries that are non-Euclidean, in which space is conceived as curved, rather than flat. According to Albert Einstein's theory of general relativity, space around gravitational fields deviates from Euclidean space.[4] Experimental tests of general relativity have confirmed that non-Euclidean geometries provide a better model for the shape of space.

Galilean and Cartesian theories about space, matter, and motion are at the foundation of the Scientific Revolution, which is understood to have culminated with the publication of Newton's Principia in 1687.[5] Newton's theories about space and time helped him explain the movement of objects. While his theory of space is considered the most influential in Physics, it emerged from his predecessors' ideas about the same.[6]

As one of the pioneers of modern science, Galileo revised the established Aristotelian and Ptolemaic ideas about a geocentric cosmos. He backed the Copernican theory that the universe was heliocentric, with a stationary sun at the center and the planetsincluding the Earthrevolving around the sun. If the Earth moved, the Aristotelian belief that its natural tendency was to remain at rest was in question. Galileo wanted to prove instead that the sun moved around its axis, that motion was as natural to an object as the state of rest. In other words, for Galileo, celestial bodies, including the Earth, were naturally inclined to move in circles. This view displaced another Aristotelian ideathat all objects gravitated towards their designated natural place-of-belonging.[7]

Descartes set out to replace the Aristotelian worldview with a theory about space and motion as determined by natural laws. In other words, he sought a metaphysical foundation or a mechanical explanation for his theories about matter and motion. Cartesian space was Euclidean in structureinfinite, uniform and flat.[8] It was defined as that which contained matter; conversely, matter by definition had a spatial extension so that there was no such thing as empty space.[5]

The Cartesian notion of space is closely linked to his theories about the nature of the body, mind and matter. He is famously known for his "cogito ergo sum" (I think therefore I am), or the idea that we can only be certain of the fact that we can doubt, and therefore think and therefore exist. His theories belong to the rationalist tradition, which attributes knowledge about the world to our ability to think rather than to our experiences, as the empiricists believe.[9] He posited a clear distinction between the body and mind, which is referred to as the Cartesian dualism.

Following Galileo and Descartes, during the seventeenth century the philosophy of space and time revolved around the ideas of Gottfried Leibniz, a German philosophermathematician, and Isaac Newton, who set out two opposing theories of what space is. Rather than being an entity that independently exists over and above other matter, Leibniz held that space is no more than the collection of spatial relations between objects in the world: "space is that which results from places taken together".[10] Unoccupied regions are those that could have objects in them, and thus spatial relations with other places. For Leibniz, then, space was an idealised abstraction from the relations between individual entities or their possible locations and therefore could not be continuous but must be discrete.[11]Space could be thought of in a similar way to the relations between family members. Although people in the family are related to one another, the relations do not exist independently of the people.[12]Leibniz argued that space could not exist independently of objects in the world because that implies a difference between two universes exactly alike except for the location of the material world in each universe. But since there would be no observational way of telling these universes apart then, according to the identity of indiscernibles, there would be no real difference between them. According to the principle of sufficient reason, any theory of space that implied that there could be these two possible universes must therefore be wrong.[13]

Newton took space to be more than relations between material objects and based his position on observation and experimentation. For a relationist there can be no real difference between inertial motion, in which the object travels with constant velocity, and non-inertial motion, in which the velocity changes with time, since all spatial measurements are relative to other objects and their motions. But Newton argued that since non-inertial motion generates forces, it must be absolute.[14] He used the example of water in a spinning bucket to demonstrate his argument. Water in a bucket is hung from a rope and set to spin, starts with a flat surface. After a while, as the bucket continues to spin, the surface of the water becomes concave. If the bucket's spinning is stopped then the surface of the water remains concave as it continues to spin. The concave surface is therefore apparently not the result of relative motion between the bucket and the water.[15] Instead, Newton argued, it must be a result of non-inertial motion relative to space itself. For several centuries the bucket argument was considered decisive in showing that space must exist independently of matter.

In the eighteenth century the German philosopher Immanuel Kant developed a theory of knowledge in which knowledge about space can be both a priori and synthetic.[16] According to Kant, knowledge about space is synthetic, in that statements about space are not simply true by virtue of the meaning of the words in the statement. In his work, Kant rejected the view that space must be either a substance or relation. Instead he came to the conclusion that space and time are not discovered by humans to be objective features of the world, but imposed by us as part of a framework for organizing experience.[17]

Euclid's Elements contained five postulates that form the basis for Euclidean geometry. One of these, the parallel postulate, has been the subject of debate among mathematicians for many centuries. It states that on any plane on which there is a straight line L1 and a point P not on L1, there is exactly one straight line L2 on the plane that passes through the point P and is parallel to the straight line L1. Until the 19th century, few doubted the truth of the postulate; instead debate centered over whether it was necessary as an axiom, or whether it was a theory that could be derived from the other axioms.[18] Around 1830 though, the Hungarian Jnos Bolyai and the Russian Nikolai Ivanovich Lobachevsky separately published treatises on a type of geometry that does not include the parallel postulate, called hyperbolic geometry. In this geometry, an infinite number of parallel lines pass through the point P. Consequently, the sum of angles in a triangle is less than 180 and the ratio of a circle's circumference to its diameter is greater than pi. In the 1850s, Bernhard Riemann developed an equivalent theory of elliptical geometry, in which no parallel lines pass through P. In this geometry, triangles have more than 180 and circles have a ratio of circumference-to-diameter that is less than pi.

Although there was a prevailing Kantian consensus at the time, once non-Euclidean geometries had been formalised, some began to wonder whether or not physical space is curved. Carl Friedrich Gauss, a German mathematician, was the first to consider an empirical investigation of the geometrical structure of space. He thought of making a test of the sum of the angles of an enormous stellar triangle, and there are reports that he actually carried out a test, on a small scale, by triangulating mountain tops in Germany.[19]

Henri Poincar, a French mathematician and physicist of the late 19th century, introduced an important insight in which he attempted to demonstrate the futility of any attempt to discover which geometry applies to space by experiment.[20] He considered the predicament that would face scientists if they were confined to the surface of an imaginary large sphere with particular properties, known as a sphere-world. In this world, the temperature is taken to vary in such a way that all objects expand and contract in similar proportions in different places on the sphere. With a suitable falloff in temperature, if the scientists try to use measuring rods to determine the sum of the angles in a triangle, they can be deceived into thinking that they inhabit a plane, rather than a spherical surface.[21] In fact, the scientists cannot in principle determine whether they inhabit a plane or sphere and, Poincar argued, the same is true for the debate over whether real space is Euclidean or not. For him, which geometry was used to describe space was a matter of convention.[22] Since Euclidean geometry is simpler than non-Euclidean geometry, he assumed the former would always be used to describe the 'true' geometry of the world.[23]

In 1905, Albert Einstein published his special theory of relativity, which led to the concept that space and time can be viewed as a single construct known as spacetime. In this theory, the speed of light in vacuum is the same for all observerswhich has the result that two events that appear simultaneous to one particular observer will not be simultaneous to another observer if the observers are moving with respect to one another. Moreover, an observer will measure a moving clock to tick more slowly than one that is stationary with respect to them; and objects are measured to be shortened in the direction that they are moving with respect to the observer.

Subsequently, Einstein worked on a general theory of relativity, which is a theory of how gravity interacts with spacetime. Instead of viewing gravity as a force field acting in spacetime, Einstein suggested that it modifies the geometric structure of spacetime itself.[24] According to the general theory, time goes more slowly at places with lower gravitational potentials and rays of light bend in the presence of a gravitational field. Scientists have studied the behaviour of binary pulsars, confirming the predictions of Einstein's theories, and non-Euclidean geometry is usually used to describe spacetime.

In modern mathematics spaces are defined as sets with some added structure. They are frequently described as different types of manifolds, which are spaces that locally approximate to Euclidean space, and where the properties are defined largely on local connectedness of points that lie on the manifold. There are however, many diverse mathematical objects that are called spaces. For example, vector spaces such as function spaces may have infinite numbers of independent dimensions and a notion of distance very different from Euclidean space, and topological spaces replace the concept of distance with a more abstract idea of nearness.

Space is one of the few fundamental quantities in physics, meaning that it cannot be defined via other quantities because nothing more fundamental is known at the present. On the other hand, it can be related to other fundamental quantities. Thus, similar to other fundamental quantities (like time and mass), space can be explored via measurement and experiment.

Today, our three-dimensional space is viewed as embedded in a four-dimensional spacetime, called Minkowski space (see special relativity). The idea behind spacetime is that time is hyperbolic-orthogonal to each of the three spatial dimensions.

Before Albert Einstein's work on relativistic physics, time and space were viewed as independent dimensions. Einstein's discoveries showed that due to relativity of motion our space and time can be mathematically combined into one objectspacetime. It turns out that distances in space or in time separately are not invariant with respect to Lorentz coordinate transformations, but distances in Minkowski space along spacetime intervals arewhich justifies the name.

In addition, time and space dimensions should not be viewed as exactly equivalent in Minkowski space. One can freely move in space but not in time. Thus, time and space coordinates are treated differently both in special relativity (where time is sometimes considered an imaginary coordinate) and in general relativity (where different signs are assigned to time and space components of spacetime metric).

Furthermore, in Einstein's general theory of relativity, it is postulated that spacetime is geometrically distorted curved near to gravitationally significant masses.[25]

One consequence of this postulate, which follows from the equations of general relativity, is the prediction of moving ripples of spacetime, called gravitational waves. While indirect evidence for these waves has been found (in the motions of the HulseTaylor binary system, for example) experiments attempting to directly measure these waves are ongoing at the LIGO and Virgo collaborations. LIGO scientists reported the first such direct observation of gravitational waves on 14 September 2015.[26][27]

Relativity theory leads to the cosmological question of what shape the universe is, and where space came from. It appears that space was created in the Big Bang, 13.8billion years ago[28] and has been expanding ever since. The overall shape of space is not known, but space is known to be expanding very rapidly due to the cosmic inflation.

The measurement of physical space has long been important. Although earlier societies had developed measuring systems, the International System of Units, (SI), is now the most common system of units used in the measuring of space, and is almost universally used.

Currently, the standard space interval, called a standard meter or simply meter, is defined as the distance traveled by light in vacuum during a time interval of exactly 1/299,792,458 of a second. This definition coupled with present definition of the second is based on the special theory of relativity in which the speed of light plays the role of a fundamental constant of nature.

Geography is the branch of science concerned with identifying and describing places on Earth, utilizing spatial awareness to try to understand why things exist in specific locations. Cartography is the mapping of spaces to allow better navigation, for visualization purposes and to act as a locational device. Geostatistics apply statistical concepts to collected spatial data of Earth to create an estimate for unobserved phenomena.

Geographical space is often considered as land, and can have a relation to ownership usage (in which space is seen as property or territory). While some cultures assert the rights of the individual in terms of ownership, other cultures will identify with a communal approach to land ownership, while still other cultures such as Australian Aboriginals, rather than asserting ownership rights to land, invert the relationship and consider that they are in fact owned by the land. Spatial planning is a method of regulating the use of space at land-level, with decisions made at regional, national and international levels. Space can also impact on human and cultural behavior, being an important factor in architecture, where it will impact on the design of buildings and structures, and on farming.

Ownership of space is not restricted to land. Ownership of airspace and of waters is decided internationally. Other forms of ownership have been recently asserted to other spacesfor example to the radio bands of the electromagnetic spectrum or to cyberspace.

Public space is a term used to define areas of land as collectively owned by the community, and managed in their name by delegated bodies; such spaces are open to all, while private property is the land culturally owned by an individual or company, for their own use and pleasure.

Abstract space is a term used in geography to refer to a hypothetical space characterized by complete homogeneity. When modeling activity or behavior, it is a conceptual tool used to limit extraneous variables such as terrain.

Psychologists first began to study the way space is perceived in the middle of the 19th century. Those now concerned with such studies regard it as a distinct branch of psychology. Psychologists analyzing the perception of space are concerned with how recognition of an object's physical appearance or its interactions are perceived, see, for example, visual space.

Other, more specialized topics studied include amodal perception and object permanence. The perception of surroundings is important due to its necessary relevance to survival, especially with regards to hunting and self preservation as well as simply one's idea of personal space.

Several space-related phobias have been identified, including agoraphobia (the fear of open spaces), astrophobia (the fear of celestial space) and claustrophobia (the fear of enclosed spaces).

The understanding of three-dimensional space in humans is thought to be learned during infancy using unconscious inference, and is closely related to hand-eye coordination. The visual ability to perceive the world in three dimensions is called depth perception.

Space has been studied in the social sciences from the perspectives of Marxism, feminism, postmodernism, postcolonialism, urban theory and critical geography. These theories account for the effect of the history of colonialism, transatlantic slavery and globalization on our understanding and experience of space and place. The topic has garnered attention since the 1980s, after the publication of Henri Lefebvre's The Production of Space . In this book, Lefebvre applies Marxist ideas about the production of commodities and accumulation of capital to discuss space as a social product. His focus is on the multiple and overlapping social processes that produce space.[29]

In his book The Condition of Postmodernity, David Harvey describes what he terms the "time-space compression." This is the effect of technological advances and capitalism on our perception of time, space and distance.[30] Changes in the modes of production and consumption of capital affect and are affected by developments in transportation and technology. These advances create relationships across time and space, new markets and groups of wealthy elites in urban centers, all of which annihilate distances and affect our perception of linearity and distance.[31]

In his book Thirdspace, Edward Soja describes space and spatiality as an integral and neglected aspect of what he calls the "trialectics of being," the three modes that determine how we inhabit, experience and understand the world. He argues that critical theories in the Humanities and Social Sciences study the historical and social dimensions of our lived experience, neglecting the spatial dimension.[32] He builds on Henri Lefebvre's work to address the dualistic way in which humans understand spaceas either material/physical or as represented/imagined. Lefebvre's "lived space"[33] and Soja's "thirdspace" are terms that account for the complex ways in which humans understand and navigate place, which "firstspace" and "Secondspace" (Soja's terms for material and imagined spaces respectively) do not fully encompass.

Postcolonial theorist Homi Bhabha's concept of Third Space is different from Soja's Thirdspace, even though both terms offer a way to think outside the terms of a binary logic. Bhabha's Third Space is the space in which hybrid cultural forms and identities exist. In his theories, the term hybrid describes new cultural forms that emerge through the interaction between colonizer and colonized.[34]

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Space - Wikipedia

Best 3 Online Gambling for Real Money Sites

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Cafe Casino is run and managed by some of the most skilled and experienced individuals in the gaming industry. To begin with, the customer support is incredible. The customer reps know how to treat customers. Cafe Casino is a registered operator and authorized as a platform for real online gaming. They have been existence for some time now and continue to enhance their products.

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Best 3 Online Gambling for Real Money Sites

Best Online Gambling Sites 2023 Top Casinos & Sportsbooks

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Best Online Gambling Sites 2023 Top Casinos & Sportsbooks

Best 9 Sites for Gambling Online with Real Money USA

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Bovada has been delivering online poker for almost ten years and is one of the best online gambling sites. They are a part of the well-known PWL, formerly the Bodog Poker Network, the biggest gambling network with a US concentration. Therefore, a lack of player traffic is not a problem at all.

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Best 9 Sites for Gambling Online with Real Money USA

What is Blockchain? | Oracle

Think of a blockchain as a historical record of transactions. Each block is chained to the previous block in a sequence, and is immutably recorded across a peer-to-peer network. Cryptographic trust and assurance technology applies a unique identifieror digital fingerprintto each transaction.

Trust, accountability, transparency, and security are forged into the chain. This enables many types of organizations and trading partners to access and share data, a phenomenon known as third-party, consensus-based trust.

All participants maintain an encrypted record of every transaction within a decentralized, highly scalable, and resilient recording mechanism that cannot be repudiated. Blockchain does not require any additional overhead or intermediaries. Having a decentralized, single source of truth reduces the cost of executing trusted business interactions among parties that may not fully trust each other. In a permissioned blockchain, used by most enterprises, participants are authorized to participate in the network, and each participant maintains an encrypted record of every transaction.

Any company or group of companies that needs a secure, real-time, shareable record of transactions can benefit from this unique technology. There is no single location where everything is stored, leading to better security and availability, with no central point of vulnerability.

To learn more about blockchain, its underlying technology, and use cases, here are some important definitions.

There are two main types of blockchain nodes:

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What is Blockchain? | Oracle