An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Venus is the only planet that rotates clockwise.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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It 'snows' metal on Venus.
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