Earth is the only planet in our solar system that's not named after a god or goddess.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
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The United States has paved enough roads to circle the Earth over 150 times.
72
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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