Jupiter is bigger than all the other planets combined.
254
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
It 'snows' metal on Venus.
13
A comet's tail always points away from the sun.
2
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46