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Space News from SpaceDaily.Com brings the space industry professional daily news from the frontier, with contract, bid, launch and on-orbit satellite news as it happens.
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Finding independently evolved microbial life on Mars would be one of history’s greatest discoveries—but Robin Hanson’s Great Filter argument gives it a darker edge. If simple life arises easily, then whatever keeps the universe silent must lie later on the road from microbes to spacefaring civilisation—and it may still be ahead of us.
5+ day, 6+ hour ago (988+ words) A second origin of life could reshape the Great Filter argument. It would not establish that a catastrophe lies ahead: later evolutionary barriers and limits to our searches remain part of the question. By Life Signs · Edited by Lachlan Brown…...