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November 10, 2012
Image Credit: Credit: NASA / Debbie McCallum
redOrbit Staff & Wire Reports Your Universe Online
Officials at NASAs Goddard Space Flight Center marked National Disability Month by welcoming 16 ninth- through twelfth-grade students from the Maryland School for the Blind on October 25.
Sixteen pupils visited the Greenbelt, Maryland-based facility, where they received a hands-on and audible learning experience about what happens at NASA and career opportunities available to them, NASA officials said in a statement.
The main purpose of the visit was to inform the students about science, technology, engineering and mathematics, or STEM, careers [sic] opportunities available at NASA for blind and visually impaired individuals, they explained. The agenda included a tour of the Spacecraft Fabrication Facility, including Machining Technology, Composites, Rapid Prototyping, and the Model Shop.
The students were allowed to tour the space blanket laboratory, where they learned about the blankets that are used to protect satellites from harsh temperatures while in space, and where they were allowed to feel the texture of the items used to cover probes such as the Hubble Space Telescope.
The blanketing material used on the [Hubble] telescope was made up of 16 layers of dimpled aluminum with an outer Teflon skin, NASA said. The multi-layer insulation or blanket protects satellite instruments from the severe and rapid temperature changes they experience as they move in orbit from very hot sun to very cold night, even though the blanket is incredibly thin, measuring less than one-tenth of an inch thick when laid flat.
They took part in a hands-on presentation about ice cores from Goddard Education Specialist Katherine Bender, who also discussed internship opportunities at the Space Flight Center. The students also toured the facilitys Machining Technology, Composites, Rapid Prototyping, and the Model Shop during the tour, which was coordinated by Kenneth A. Silberman and Katherine Bender of NASA Goddards Education Office.
Silberman and Bender worked with Colleen Shovestull, a special educator and science teacher at the Maryland School for the Blind to make the visit happen, NASA said. The partnership is being formed by the NASA Goddard Education Office, the Equal Opportunity Programs Office (EEOPO), and the Equal Accessibility Advisory Committee (EAAC). The visit stems from a partnership that the Individuals with Disabilities Advisory Group is establishing with the Maryland School for the Blind.
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NASA Facility Welcomes Blind Students During National Disability Month
With President Barack Obama back in the White House for a second term, NASA is reportedly getting ready to reveal plans to send astronauts back to the moon and possibly even to build an orbiting base around Earth's satellite.
It's been speculated for some time that the space agency has been mulling the construction of a floating Moon base that would serve as a launching site for manned missions to Mars and other destinations more distant than any humans have traveled to so far.
Those plans may have already been greenlighted by the Obama administration, Space.com reported Friday. NASA was reportedly waiting to announce such an ambitious endeavor until it was determined whether Obama or his challenger, Mitt Romney, was going to be president.
The Orlando Sentinel reported several months ago that the proposed outpost, called a "gateway spacecraft," would support "a small astronaut crew and function as a staging area for future missions to the moon and Mars."
The proposed space station would be situated at what's called a Lagrangian point, or L-Point, a place where the gravitational pull of two large bodiesin this case the Earth and the Moonare at an equilibrium, making it possible to place a spacecraft in a fixed spot in space at relatively little expense. NASA wants to put its base at Earth-Moon L-Point 2, on the far side of the Moon, according to reports from several news sites.
That would place the spacecraft about 277,000 miles from Earth and about 38,000 miles from the Moon's surface. Though taking advantage of an L-point reduces the power cost of fixing an object in space, the project's costs "would certainly run into the billions of dollars," according to the Sentinel.
Using such a base as a launching station for manned trips to Mars or to a near-Earth asteroid probably wouldn't happen until the 2020s.
The newspaper cited documents it obtained pertaining to a White House briefing on the idea given by NASA administrator Charles Bolden earlier in September. The Sentinel noted at the time that it was "unclear" whether the Obama administration supported the project.
Now Space.com says space policy expert John Logsdon of George Washington University believes the moon base project has "probably already been cleared with the Obama Administration."
"NASA has been evolving its thinking, and its latest charts have inserted a new element of cislunar/lunar gateway/Earth-moon L2 sort of stuff into the plan. They've been holding off announcing that until after the election," Logsdon told the site, noting that Romney "had pledged to reassess and possibly revise NASA's missions and direction."
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The Internet has become an integral part of people's lives around the globe, but could the Web exist in space? Researchers at NASA, not content to remain fixed to an Earth-bound system, are pushing the boundaries of network communications by testing what could one day amount to an interplanetary Internet.
Working in tandem with the European Space Agency (ESA), NASA has used its Disruption Tolerant Networking (DTN) program to test network operations that replicate some of the functions of the Internet, such as sending messages across long distances. In addition to messaging, last month astronaut Sunita Williams used the DTN system to control a tiny LEGO robot situated in a lab back on Earth from a special NASA-developed laptop on the International Space Station. The experiment was designed to simulate a scenario in which an astronaut located in an orbiting spacecraft might remotely control a robotic rover on the surface of a planet.
"The demonstration showed the feasibility of using a new communications infrastructure to send commands to a surface robot from an orbiting spacecraft and receive images and data back from the robot," NASA's Badri Younes said in a statement on the space agency's site.
"The experimental DTN we've tested from the space station may one day be used by humans on a spacecraft in orbit around Mars to operate robots on the surface, or from Earth using orbiting satellites as relay stations," Younes said.
According to NASA, the DTN system uses a system similar to Internet Protocol called a "Bundle Protocol," an analog architecture that makes the idea of constructing an interplanetary Internet easier to envision. Eventually, the DTN system could become a primary means of communicating with deep space missions as well as a way to control unmanned missions from long distances.
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Published: Nov. 9, 2012 at 5:55 PM
WASHINGTON, Nov. 9 (UPI) -- NASA and the European Space Agency say they have tested an "interplanetary" communication network replicating some of the functions of the Internet.
As part of the experiment, the crew of the International Space Station Expedition used a NASA-developed laptop to operate a small LEGO robot at the European Space Operations Center in Darmstadt, Germany.
"The demonstration showed the feasibility of using a new communications infrastructure to send commands to a surface robot from an orbiting spacecraft and receive images and data back from the robot," said Badri Younes, deputy associate administrator for space communications and navigation at NASA Headquarters in Washington.
The experiment was a test of a Disruption Tolerant Networking protocol that allows standardized communications similar to the Internet technology.
Unlike the TCP/IP protocol used for worldwide Internet connections, DTN was designed to deal with disconnections, errors and delays of signal that would be experienced during interplanetary communication, NASA said in a release Friday.
"In DTN, data move through the network 'hop-by-hop.' While waiting for the next link to become connected, bundles are temporarily stored and then forwarded to the next node when the link becomes available," NASA said.
Eventually the DTN system could eventually become the prime method of communicating with deep space missions as well as a way to control unmanned missions from long distances, the space agency said.
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There is a lot riding on NASA's Space Launch System (SLS). Not only does the agency's first new heavy-lift booster since the Saturn 5 that took U.S. astronauts to the moon play a central role in the future of the American spaceflight, it also provides a critical test for technology expected to figure prominently in revamping the country's ailing manufacturing industry.
NASA's Marshall Space Flight Center in Huntsville, Ala., is testing an approach called selective laser melting (SLM) to create parts for the J-2X and RS-25 rocket engines that will power the SLS, whose maiden voyage is slated for 2017 (pdf). The space agency expects SLM to simplify the process of making certain parts and in some cases halve the cost of producing thema huge advantage for NASA, provided the components can withstand the rigors of lifting the largest launch vehicle ever built into space.
The first version of the SLS is a 70-metric-ton rocket that will lift around 70,000 kilograms while providing 10 percent more thrust than the Saturn 5. This SLS will power the 2017 Exploration Mission 1, which will launch an unmanned Orion spacecraft on a circumlunar voyage as a precursor to Exploration Mission 2. That mission, scheduled for 2021, will use a 130-metric-ton version of the SLS to launch Orion and a crew of up to four astronauts. This second SLS will be capable of lifting more than 130,000 kilograms and provide 20 percent more thrust than the Saturn 5.
Cash-strapped NASA is counting on SLM to speed SLS's development and reduce the program's costs. SLM is a type of additive manufacturing technology, which uses computer-aided design (CAD) files to build parts layer by layer (3-D printing is perhaps the most well known example of additive manufacturing). With SLM, a finely powdered alloy is deposited in a layer as thin as 20 microns and then fused together by a focused laser beam inside a chamber containing inert gas such as argon or nitrogen. Once the laser has turned that layer into solid metal, another layer of powder is deposited and the process is repeated.
NASA is testing the viability of making engine parts from nickel-based alloys using an SLM machine (pdf) with a square cubical build chamber measuring 250 millimeters on each side and a depth of 280 millimeters. These same alloys are already used to make 90 percent of the parts in the RS-25 and J-2X engines. The key difference is that the engines' current elements are forged and then milled into their final shapes. Often several pieces must be welded together to create a part.
Marshall engineers began evaluating alternative approaches to building parts for the next-generation J-2X engine a few years ago. In late 2010 they turned to SLM to create a duct for a gas generator in the engine. "The part itself is not necessarily complexit's a [10-centimeter] in diameter duct that's bent in a U-shape," says Andy Hardin, SLS Liquid Engines Office engine integration hardware lead. However, "because of the thickness and the radius of the bend, it's very difficult to make. We were having trouble getting vendors to do this properly."
After printing the duct, the engineers set about deconstructing it to study its metallurgy and microscopic structure. They found that although the part was not as strong as a forged and milled duct, it fell within the "minimal acceptable range," Hardin says. "If you made a part [using SLM], the material properties would be degraded somewhat but not much." One structural advantage is that the part required no welding. "When you make a part out of multiple pieces, welds are always the weakest points," he adds. This opened the door for the engineers to consider using SLM to make other engine parts as well.
SLM, and additive manufacturing in general, is not a viable option for all J-2X or RS-25 engine parts. For starters, the printed parts must be small enough to fit in the machine's build chamber. And a lot more testing is required to determine whether components such as turbines, which operate under the most intense conditions, could be made properly using SLM, Hardin says. Good candidates for SLM are those with complex geometries that are difficult to make and require multiple welds to achieve those geometries. Depending on how well printed J-2X parts fare in tests, Marshall engineers hope to at some point use SLM to likewise make parts for the older RS-25, which served as the space shuttle's main engine throughout its 30-year history.
Another incentive for NASA to transition to additive-manufactured parts: their contractors are beginning to adopt the technology in their factories. "As a big customer for many of these manufacturers, we thought it was important that we understand the technology," Hardin says. NASA does not want to hold manufacturers back by failing to create specifications for parts made using SLM or some other additive process, he adds.
As such, NASA's success with SLM could be a boon to a flagging U.S. manufacturing industry that seeks to create more domestic jobs but has been reluctant do so because of high costs.
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NASA Plans for 3-D Printing Rocket Engine Parts Could Boost Larger Manufacturing Trend [Video]
Amazing UFO Near the Sun Captured
Here is a cigar shaped UFO captured by the Helioviewer. This UFO is very large. There have been lots of UFO craft appearing near the sun. Link to the photo here bit.ly I have to say this sighting took my breath away. Its very awesome find. Happy UFO hunting! Be sure to check out the UFO sightings blog at ufosightingz.blogspot.com and like the facebook fan page at http Be sure to follow UFO Clouds on Twitter at twitter.com Always Look Up UFO #39;s Could be flying above you! Helioviewer.org is an open-source project for the visualization of solar and heliospheric data. The project is funded by ESA and NASA. For more information, please visit our Wiki. Credits: SDO (NASA), SOHO (ESA/NASA), STEREO (NASA), GSFC, LMSAL, SDAC, Stanford University Music by UFOCloudsFrom:UFO HuntingCloudsViews:76 6ratingsTime:01:03More inEntertainment
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NASA World Wind - Wiki Article
World Wind is an open-source (released under the NOSA license) virtual globe developed by NASA and the open source community for use on personal computers. Old versions need Microsoft Windows but the... NASA World Wind - Wiki Article - wikiplays.org Original @ http All Information Derived from Wikipedia using Creative Commons License: en.wikipedia.org Author: Unknown Image URL: en.wikipedia.org ( This work is in the Public Domain. ) Author: Unknown Image URL: en.wikipedia.org ( This work is in the Public Domain. )From:WikiPlaysViews:0 0ratingsTime:13:37More inEducation
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BREAKING: Mars Curiosity Image Manipulation | NASA JPL
Here is another side by side comparison of NASA released images that don #39;t match and show obvious photoshop manipulations. Image 1 - http://www.nasa.gov Image 2 - http://www.nasa.gov High Res - http://www.wired.comFrom:SunsFlareViews:246 52ratingsTime:01:59More inScience Technology
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BREAKING: Mars Curiosity Image Manipulation | NASA JPL - Video
Nasa Plane Crash Test (Sped up and sound added)
From:LeonardoDeCraprioViews:0 0ratingsTime:00:20More inScience Technology
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Xchat between NASA Icebridge from DC-8 over Antarctica and Colegio Francs Punta Arenas Chile
This is a resume overview about the contact between chilean middle class students and the members of Operation Icebridge from NASA who fly over Antarctica several mission to measure and monitoring tha ice changes on November 2012. note: The grhale dialogue with camilo is an aproach due to erase texts. the topics between Nasa Icebridge and the chilean students was about ice melting, sea ice, life support affects by glacier melting, the aircraft, how OIB choose the targets, subglacier lakes, rate of melting and others. On friday november 02th was from 14:00 to 21:00 hours and on Tuesday November 06th was 12:00 to 13:00 and 15:00 to 17:00. Teachers Mario Esquivel Lizondo and Claudia Vera Aburto helped the students to ask to OIB members. Colegio Miguel de Cervantes: 1 students Escuela D-17 Bernardo Ohiggins: 1 student , 1 teacher Colegio Pierre Faure: 2 students, 1 teacher Colegio Francs: 20 students, 2 teachers. Total: 24 students and 4 teachersFrom:Mario EsquivelViews:0 0ratingsTime:02:46More inScience Technology
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Breaking News: Asteroid Nibiru Could Impacted Earth (Nasa)
Hello, this is the no face movementbwith breaking news from cnn ireporter that an asteroid nibiru has a 30 percent chance to hit earth. This is the movement moving a movement facing off. Link ireport.cnn.com Follow Me nofacemovement.blogspot.com http://www.nofacemovement.moonfruit.com http://www.facebook.com twitter.comFrom:nofacemovementViews:60 1ratingsTime:04:35More inNews Politics
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Breaking News: Asteroid Nibiru Could Impacted Earth (Nasa) - Video
I need help in Identifying. Star? Planets?
[Sorry bad spelling in beginning] Caught these 2 bodies in a capture. Not sure what they are. I looked at SOHO planets in view. But unsure if either are listed. Planets currently visible: stereo-ssc.nascom.nasa.govFrom:shaggietripViews:2 1ratingsTime:00:50More inScience Technology
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Earth Directed Blast From The Sun
After firing an M-Class Flare This Morning The Sun, Blasted A Powerful Earth Bound CME ~ all footage courtesy soho/nasa ~ tisFrom:thelastsamanaViews:0 0ratingsTime:00:38More inScience Technology
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TLDR: NFC on the iPhone, Galaxy SIII Tops 4S?
Pirillo Vlog 199 -- I Almost Forgot You in the Fridge youtu.be Samsung Galaxy S III is the World #39;s Top-selling Smartphone http://www.lockergnome.com Optimus G: LG #39;s Latest Attempt at More of the Android Pie http://www.lockergnome.com Why I Am Ordering a Google Nexus 4 http://www.lockergnome.com Five Great Photo Sharing Sites for the Photography Beginner http://www.lockergnome.com Which Windows Browser is Best for You? http://www.lockergnome.com How to Delete Windows.Old in Windows 8 http://www.lockergnome.com Get three domains for $5.99 [expires 11/30/12] http://www.godaddy.com Save 20% on your entire order [expires 12/31/2012] http://www.godaddy.com twitter.com http://www.facebook.com google.com instagram.com Download the LockerGnome App: Android Phone: play.google.com iPhone / iPod touch: itunes.apple.com Want to remotely troubleshoot computer problems? Use our sponsor #39;s product: go.tagjag.com Need my advice for your business? Join: gnomies.com and go.tagjag.com === NEWS Twitter Resetting User Passwords After Massive Hijack Attack blog.tweetsmarter.com NASA May Unveil New Manned Moon Missions Soon http://www.space.com Foxconn Reportedly Plans to Set Up Plants in US http://www.digitimes.com JAM with Chrome: Play Music Live with Your Friends Online googleblog.blogspot.com Call of Duty: Black Ops II to Feature League Play Livestreaming Through YouTube thenextweb.com === QUESTION mutley2209 writes: Will Apple develop touch-enabled OS X and MacBooks now? lockergnome.netFrom:lockergnomeViews:303 154ratingsTime:06:01More inScience Technology
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Hurricabe Sandy Superstorm from start to finish from space satellite. Amazing!
Hurricabe Sandy Superstorm from start to finish from space satellite. Amazing! 23-31 October 2012. Hurricane Sandy drifted up along the Gulf Stream from the Caribbean to the mid-Atlantic to become wedged between a stationary cold front over the Appalachians and a static high pressure air mass over maritime Canada. The Canadian air mass blocked the storm from moving farther northeast. Instead, the easterly winds circulating around the south side of the Canadian high amplified Sandy and drove it westward into the mid-Atlantic states. Sandy became a ferocious "Nor-easter" that brought record storm surges to coastal New Jersey and New York, and the cold front caused blizzard conditions along the Southern mountains. The storm surget at high tide created unprecedented chaos in New York City, such as darkening lower Manhattan and flooding the subway system on the evening of 29 October "Hurricane sandy","Hurricane sandy path","Hurricane sandy update","Hurricane sandy tracker","Hurricane sandy 2012",sandy,hurricane,storm,damage,aftermath,superstorm,nasa,goesFrom:horrificStormsViews:1 0ratingsTime:03:23More inTravel Events
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Hurricabe Sandy Superstorm from start to finish from space satellite. Amazing! - Video
Space fever could soon reach a new high with rumblings about NASA announcing new manned moon missions with a possible space outpost on the menu.
Astronaut Eugene Cernan on the moon in 1972.
It has been almost 40 years since the Apollo 17 mission last landed a man on the moon. It may not take anywhere near that long before we send astronauts back to the moon's neighborhood.
Space.com reports that NASA is seriously looking at sending out a new manned moon mission with the purpose of creating a manned outpost beyond the far side of moon and eventually visiting an asteroid in 2025. This may not physically land a human on the moon, but it would establish a deep space outpost as a base for research and missions.
President Obama's reelection could smooth the way for plans that have already been under consideration. Back in 2010, Obama affirmed a commitment to manned space exploration despite putting an end to NASA's moon program at the time. Space.com suggests the Obama administration has already approved new mission plans that could involve parking a spacecraft near the moon.
NASA deputy chief Lori Garver spoke at a conference in September, saying, "We're going back to the moon, attempting a first-ever mission to send humans to an asteroid and actively developing a plan to take Americans to Mars."
The equipment to make the flight is already in process with the development of the Space Launch System rocket and Orion crew capsule.
NASA has been riding a high lately with the success of the Mars Curiosity rover. Space.com hints that a big announcement surrounding manned missions could be made soon.
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The Daily Sun -Nov. 08, 2012
The Daily Sun Featured Articles earthsky.org NASA fires-up experimental space Internet for robot control http://www.networkworld.com David Talbott en.wikipedia.org Featured Video Remembering the end of the world youtu.be The Daily Sun The Sun is the star at the center of the Solar System. It is perfectly spherical and consists of hot plasma interwoven with magnetic fields. It has a diameter of about 1392684 km, about 109 times that of Earth, and its mass (about 21030 kilograms, 330000 times that of Earth) accounts for about 99.86% of the total mass of the Solar System. Chemically, about three quarters of the Sun #39;s mass consists of hydrogen, while the rest is mostly helium. The remainder (1.69%, which nonetheless equals 5628 times the mass of Earth) consists of heavier elements, including oxygen, carbon, neon and iron, among others. The Sun #39;s stellar classification, based on spectral class, is G2V, and is informally designated as a yellow dwarf, because its visible radiation is most intense in the yellow-green portion of the spectrum and although its color is white, from the surface of the Earth it may appear yellow because of atmospheric scattering of blue light. In the spectral class label, G2 indicates its surface temperature of approximately 5778 K (5505 C), and V indicates that the Sun, like most stars, it is an electric star, and thus collects its energy from an outside source. Electric Universe The most important issue separating the Electric Universe from conventional ...From:telluricurrentViews:21 3ratingsTime:13:21More inScience Technology
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NASA is serious about sending astronauts back to the moon's neighborhood and will likely unveil its ambitious plans soon now that President Barack Obama has been re-elected, experts say.
The space agency has apparently been thinking about setting up a manned outpost beyond the moon's far side, both to establish a human presence in deep space and to build momentum toward a planned visit to an asteroid in 2025.
The new plans have probably already been cleared with the Obama Administration but have been kept under wraps in case Republican candidate Mitt Romney won Tuesday night's (Nov. 6) presidential election, said space policy expert John Logsdon, a professor emeritus at George Washington University.
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"NASA has been evolving its thinking, and its latest charts have inserted a new element of cislunar/lunar gateway/Earth-moon L2 sort of stuff into the plan," Logsdon told SPACE.com. (The Earth-moon L2 is a so-called libration point where the two bodies' gravitational pulls roughly balance out, allowing spacecraft to essentially park there.) [ Gallery: Visions of Deep-Space Station Missions ]
"They've been holding off announcing that until after the election," Logsdon added, noting that Romney had pledged to reassess and possibly revise NASA's missions and direction.
New vision of human space exploration In 2010, President Obama directed NASA to work toward sending astronauts to a near-Earth asteroid by 2025, then on to the vicinity of Mars by the mid-2030s. To reach such deep-space destinations, the agency is developing a huge rocket called the Space Launch System (SLS) and a crew capsule named Orion.
But astronauts likely won't head straight to a space rock when SLS and Orion are ready to fly together in 2021. In the last year, word has begun leaking out that NASA wants to explore Earth-moon L2, a point in space that lies beyond the moon's far side, as a precursor.
Rumors currently point toward parking a spacecraft at the Earth-moon L2 gateway, so NASA (and perhaps international partners) can learn more about supporting humans in deep space. Astronauts stationed there could also aid in lunar exploration by teleoperating rovers on the moon's surface, for example.
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NASA just made it easier to catch a glimpse of the International Space Station the largest manmade structure in space as it soars across the night sky. The best part: no telescope required.
The space agency has launched a new free service called "Spot the Station" that allows observers to sign up for e-mail alerts or text messages whenever the space station may be visible overhead, weather permitting. The messages, which will be sent out a few hours before the actual sighting opportunity, are tailored for an observer's location based on their home country, state and city, NASA officials explained in a statement.
"As the thirdbrightest object in the sky, after the sun and moon, the space station is easy to see if you know where and when to look for it," NASA officials wrote. "The space station looks like a fast-moving plane in the sky, though one with people living and working aboard it more than 200 miles above the ground. It is best viewed on clear nights." [ Photos: Spotting Satellites & Spaceships from Earth ]
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With a wingspan the size of a football field, the International Space Station is the biggest artificial structure in space today. It can be easily spotted from Earth with the unaided eye, but only if you know exactly when and where it will appear in the sky.
Station sighting opportunities from 4,600 locations around the world are identified twice a week at NASA's space station Mission Control Center at the Johnson Space Center in Texas. The Spot the Station service will send out alerts for only the best sighting opportunities, when the space station is relatively high in the night sky and makes a long pass overhead, NASA officials said.
"This will be anywhere from once or twice a week to once or twice a month, depending on the space stations orbit," NASA officials explained. "Dont worry if there are big gaps in between sightings!"
You can sign up for NASA's Spot the Station alerts here: http://spotthestation.nasa.gov/.
The Spot the Station service is not the only way to find out how to see the space station in the night sky. The Twitter-based Twisst ISS Alerts service sends out automated Twitter messages to users during prime space station sightings over their locations.
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