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
Some asteroids have other asteroids orbiting them.
131
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
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 last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14