In the last 7 years, humanity has discovered 43 potentially habitable planets.
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The sun is 330,330 times larger than the earth!
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The earth is .02 degrees hotter during a full moon.
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If you went out into space, you would explode before you suffocated because there's no air pressure.
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It takes eight and a half minutes for light to get from the sun to earth.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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The population of the Earth has more than doubled since 1950.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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