41% of the moon is not visible from earth at any time.
103
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
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
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Only 55% of Americans know that the sun is a star.
986
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
