There are two golf balls sitting on the moon.
721
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
If two pieces of metal touch in space, they become permanently stuck together.
808
Sound doesn't travel in space.
255
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115