More than 20 million meteoroids enter Earth's atmosphere every day.
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It 'snows' metal on Venus.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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41% of the moon is not visible from earth at any time.
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There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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