Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Only 55% of Americans know that the sun is a star.
986
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
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
It 'snows' metal on Venus.
13
A comet's tail always points away from the sun.
2
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Earth is the only planet in our solar system that's not named after a god or goddess.
17