Some asteroids have other asteroids orbiting them.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The earth is .02 degrees hotter during a full moon.
157
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219