The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Astronauts cannot burp in space.
232
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Some asteroids have other asteroids orbiting them.
131