An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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It would take more than 150 years to drive a car to the sun.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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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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