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
It takes eight and a half minutes for light to get from the sun to earth.
159
The heart of an astronaut actually gets smaller when in outer space.
216
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
Only 55% of Americans know that the sun is a star.
986
Today's top fuel dragsters take off with more force than the space shuttle.
120