An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The earth rotates more slowly on its axis in March than in September.
145
It would take more than 150 years to drive a car to the sun.
569
Venus is the only planet that rotates clockwise.
310
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219