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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
More than 20 million meteoroids enter Earth's atmosphere every day.
139
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Only 55% of Americans know that the sun is a star.
986
Jupiter is bigger than all the other planets combined.
254