Asteroid or Meteor: What's the difference?
Learn more about asteroids, meteors, meteoroids, meteorites, and comets!
What is an asteroid?
And what can we learn from these space rocks in our solar system?
Make a planet mask!
Make a mask and pretend to be your favorite planet in our solar system!
The Mars Rovers: Mars 2020
This future mission will try to find out if life ever existed on the Red Planet!
The Mars Rovers: Curiosity
Mars had water long ago. But did it also have other conditions needed for life?
The Mars Rovers: Spirit and Opportunity
What did these twin rovers teach us about the history of water on Mars?
The Mars Rovers: Sojourner
Learn more about the first rover to land on Mars!
The Mars Rovers
How do rovers help us learn more about the Red Planet?
All About Neptune
The coldest planet in our solar system
All About Uranus
The planet that spins on its side
All About Saturn
The planet with beautiful rings
All About Jupiter
The biggest planet in our solar system
All About Mars
The red planet
All About Earth
The planet with living things
All About Venus
The hottest planet in our solar system
All About the Planets
Learn more about the planets in our solar system
Comet on a stick
A comet close to home
How long is one day on other planets?
Learn to make a graph with the answer!
How many moons?
We have one, but some planets have dozens.
Why is the moon so scarred with craters?
It's not because the Moon gets hit more often...
Why do we care about water on Mars?
Where there are signs of water, there might also be signs of life!
Peculiar Pluto
Dwarf planet Pluto is still fun to study.
What is the Kuiper Belt?
The icy bits past Neptunes orbit
Where does the solar system end?
The Oort Cloud!
Why are planets round?
And how round are they?
All About Mercury
The smallest planet in our solar system
Where does interstellar space begin?
And what is it, anyway?
Jumping the Tallest Cliff in the Solar System
How far would we have to travel to get there?
Why did it take so long to discover Uranus?
It wasn't THAT hard to see...
What's It Like Inside Jupiter?
It's like the weight of 130,000 cars pressing on every square inch of your body!
What is a planet?
The answer isn't so simple...
How did the solar system form?
Space Place in a Snap tackles the big question of how our solar system formed.
Write your own zany adventure story!
Write your own zany adventure story!
The Moon's phases in Oreos
For the New Moon, you must eat all the creme filling!
No-Bake Moon Cookies
These are yummy and need no baking!
Quest for a Comet!
Pilot the Rosetta spacecraft!
Meteor shower!
What causes them?
Meteor shower!
What causes them?
Make asteroids you can eat!
Make yummy potatoes look like asteroids.
Why does Saturn have rings?
And what are they made of?
Make a CD Saturn
Turn an old CD into Saturn's rings.
Build a Moon Habitat!
Help the astronauts go back to the Moon.
A Planet Without a Sun?
Astronomers may have found a planet without a sun!
Space Volcanoes!
Explore the many volcanoes in our solar system using the Space Volcano Explorer.
Thirsty? Have a comet!
Could they have brought the water to our planet?
Venus crosses the Sun
Did you get to see this rare event?
Gallery of solar system images
Glorious planets and moons to view or print.
Looking for water . . . everywhere!
Find the alien, icy places in the solar system with this special viewer.
Launch a rocket from a spinning planet
Wind up that launch pad!
The spacecraft that keep going and going . . .
Go on a Grand Tour of the outer planets!
Read this article:
Solar System :: NASA Space Place
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