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
Sound doesn't travel in space.
255
It 'snows' metal on Venus.
13
The Earth gets 100 tons heavier every day due to falling space dust.
673
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46