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NASA KidsExactly how hot is the sun? Can astronauts sleep standing up? And is it possible to escape the Event Horizon of a black hole?
The ExploratoriumCreate an apparatus for viewing sunspots, Search for extraterrestrial life, and see a live web cam of Mars.
The Nine PlanetsTake a self-guided tour through our solar system. Explore the satellites of Saturn, the moons of Jupiter, and the canals and canyons of Mars.
The Space PlaceBe able to name trees from space, find out why the sky is blue and discover how to shrink a building three diverse ways. Lots of online space Games, activities, and fun facts.Young Astronomers' Learning CenterWhat is a Brown Dwarf? What's the difference between a meteor and a falling star? What are solar winds? The Learning Center provides all the answers you need.