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 rotates more slowly on its axis in March than in September.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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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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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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