An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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It 'snows' metal on Venus.
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