The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If two pieces of metal touch in space, they become permanently stuck together.
808
A comet's tail always points away from the sun.
2
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6