In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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It 'snows' metal on Venus.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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