Earth is the only planet in our solar system that's not named after a god or goddess.
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NASA invented baby food as we know it today.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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