Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Lightning strikes about 6,000 times per minute on this planet!
158
Some asteroids have other asteroids orbiting them.
131
There are two golf balls sitting on the moon.
721
Pluto is smaller than Russia.
9
Today's top fuel dragsters take off with more force than the space shuttle.
120