The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The heart of an astronaut actually gets smaller when in outer space.
216
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16