Earth is the only planet in our solar system that's not named after a god or goddess.
17
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A comet's tail always points away from the sun.
2
Today's top fuel dragsters take off with more force than the space shuttle.
120
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Lightning strikes about 6,000 times per minute on this planet!
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