If two pieces of metal touch in space, they become permanently stuck together.
808
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
It 'snows' metal on Venus.
13
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The light hitting the earth right now is 30 thousand years old.
163