Astronauts get taller when they are in space.
224
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Pluto is smaller than Russia.
9
It 'snows' metal on Venus.
13
41% of the moon is not visible from earth at any time.
103
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31