Summer on Uranus lasts for 21 years.
358
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
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
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194