There are two golf balls sitting on the moon.
721
Astronauts get taller when they are in space.
224
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Today's top fuel dragsters take off with more force than the space shuttle.
120
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219