Earth is the only planet in our solar system that's not named after a god or goddess.
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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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In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
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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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