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.
4
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are two golf balls sitting on the moon.
721
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The earth is .02 degrees hotter during a full moon.
157
The Earth gets 100 tons heavier every day due to falling space dust.
673
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