If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The population of the Earth has more than doubled since 1950.
151
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Astronauts cannot burp in space.
232
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4