Summer on Uranus lasts for 21 years.
358
If two pieces of metal touch in space, they become permanently stuck together.
808
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
There are two golf balls sitting on the moon.
721
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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
The heart of an astronaut actually gets smaller when in outer space.
216