Summer on Uranus lasts for 21 years.
358
Earth is the only planet in our solar system that's not named after a god or goddess.
17
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
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
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
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10