The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Sound doesn't travel in space.
255
The sun is 330,330 times larger than the earth!
190
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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