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
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
3
Only 55% of Americans know that the sun is a star.
986
The heart of an astronaut actually gets smaller when in outer space.
216
Summer on Uranus lasts for 21 years.
358
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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