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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15