Earth is the only planet in our solar system that's not named after a god or goddess.
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The light hitting the earth right now is 30 thousand years old.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
It would take more than 150 years to drive a car to the sun.
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