Earth is the only planet in our solar system that's not named after a god or goddess.
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The earth travels through space at 660,000 miles per hour.
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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.
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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.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The temperature of the earth's interior increases by 1 degree every 60 feet down.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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