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
The light hitting the earth right now is 30 thousand years old.
163
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Earth is the only planet in our solar system that's not named after a god or goddess.
17