In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Astronauts get taller when they are in space.
224
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
Pluto is smaller than Russia.
9
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
It 'snows' metal on Venus.
13
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9