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
It 'snows' metal on Venus.
13
Pluto is smaller than Russia.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Some asteroids have other asteroids orbiting them.
131
The earth rotates more slowly on its axis in March than in September.
145