- Because light travels at a large but finite speed, it takes time for light to cover large distances. Thus, when we see the light of very distant objects in the universe, we are actually seeing light emitted from them a long time ago: we see them literally as they were in the distant past.
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Go into deep space without leaving your computer room. At Hubble Deep Field Academy, you can become an actual Space Cadet (in a good way). Check out this seriously cool activity that takes you to the farthest reaches of the universe.
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Test your comet IQ and help Stardust capture samples from Comet Wild 2. Each correct answer will move Stardust a little closer to the comet.
If you get 8 out of 10 correct, Stardust will capture samples of the comet and bring them home to Earth.
When your're done, find more about the real subsance that helps NASA capture comet particles for reasearch- Aerogel.
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In order to learn about other planets, it is important to understand your own.
The Earth Quiz tests knowledge about geography and other parts of the Earth.
- Explore the history of telescopes, from Galileo to NASA's great observatories.
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Billions and billions of galaxies populate the universe. So you can imagine that there is a lot to learn! Get the basics with the first activity.
We've only started capturing pictures of distant galaxies with the Hubble Space Telescope. Click here to learn and see more.
- While NASA was preparing for Servicing Mission 3B (SM3B), technicians found that a computer virus had scrambled the mission masterplan! The masterplan is the sequence of events for the mission, including the shuttle launch and EVA's. We’re depending on you to un-muddle the mission!
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Explore this interactive picture map and get closer to all the lunar landing sites.
You might be in for a surprise if you get too close!
- Monkey see, monkey do? Not so easy. Guide your space ship to collect the items, and land on the special landing pad. be careful not to hit any other object, and don't fall too fast on your landing.
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Think you're a space-whizz? Test your knowledge of space here.
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Here, take on the role of the lead engineer in charge of designing the MER parachute. Can you come up with a design that will slow the MER safely as it approaches the martian surface? You'll need to consider trade-offs in the parachute's stability, strength, and volume.
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How do you build the largest structure ever to fly in space? One piece at a time!
The International Space Station (ISS) took more than 40 flights, 100 components, and more than eight years to complete- but you can watch the International Space Station come together here in a less than a minute.
Investigate these pages to learn the who, what, where, when, why and how of the ISS!
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NASA and the Russian space agency have spent over forty years solving the problems of living in space.
Can you match wits with their engineers and design a human habitat as good as the new International Space Station? Find out what materials you will need to survive in a space station.
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Search the skies with the AstroScope, an online telescope that gives you a close-up view of our Solar System, Milky Way, and the Universe.
Can you find everything on the list?
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Google Earth combines the power of Google Search with satellite imagery, maps, terrain and 3D buildings to put the world's geographic information at your fingertips. you can fly to your house, search for schools, parks, and places to eat.
