Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Earth is the only planet in our solar system that's not named after a god or goddess.
17
If two pieces of metal touch in space, they become permanently stuck together.
808
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The light hitting the earth right now is 30 thousand years old.
163
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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175