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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Jupiter is bigger than all the other planets combined.
254
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124