Jupiter is bigger than all the other planets combined.
254
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Astronauts get taller when they are in space.
224