Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Jupiter is bigger than all the other planets combined.
254
Earth is the only planet in our solar system that's not named after a god or goddess.
17
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The light hitting the earth right now is 30 thousand years old.
163