The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Some asteroids have other asteroids orbiting them.
131
If two pieces of metal touch in space, they become permanently stuck together.
808
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115