The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Earth is the only planet in our solar system that's not named after a god or goddess.
17
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6