Only 55% of Americans know that the sun is a star.
986
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
The heart of an astronaut actually gets smaller when in outer space.
216
Today's top fuel dragsters take off with more force than the space shuttle.
120
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Venus is the only planet that rotates clockwise.
310