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"Although we haven't looked really hard......the fact we haven't seen anything suggests civilizations are rare" Prof Brian cox joins Shaun Keaveny to chat about the possibility of humans making contact with advanced civilizations. According to a new paper the mysterious rock Oumuamua that flew past Earth could actually have been an alien spacecraft sailing past us using light. In the short time astronomers cold study the object they noted it was moving strangely and spinning very quickly as it flew through the solar system, and seemed to speed up rather than slow down as it went.
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