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
The Earth gets 100 tons heavier every day due to falling space dust.
673
Sound doesn't travel in space.
255
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
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178