The light hitting the earth right now is 30 thousand years old.
163
If two pieces of metal touch in space, they become permanently stuck together.
808
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter is bigger than all the other planets combined.
254
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10