Space

NASA Kids
Exactly how hot is the sun? Can astronauts sleep standing up? And is it possible to escape the Event Horizon of a black hole?

The Exploratorium
Create an apparatus for viewing sunspots, Search for extraterrestrial life, and see a live web cam of Mars.

The Nine Planets
Take a self-guided tour through our solar system. Explore the satellites of Saturn, the moons of Jupiter, and the canals and canyons of Mars.

Young Astronomers' Learning Center
What 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.