All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The earth is .02 degrees hotter during a full moon.
157
The heart of an astronaut actually gets smaller when in outer space.
216
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Only 55% of Americans know that the sun is a star.
986
Venus is the only planet that rotates clockwise.
310