If NASA sent birds into space they would soon die; they need gravity to swallow.
146
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6