2/28/2023 0 Comments Natural selection 2 aliens![]() ![]() The rise of oxygen was bad news for the search for extraterrestrial life.Īfter millennia of wondering whether we’re alone in the universe - one of “mankind’s most profound and probably earliest questions beyond, ‘What are you going to have for dinner?’” as the NASA astrobiologist Lynn Rothschild put it - the hunt for life on other planets is now ramping up in a serious way. Up the concentration ticked, from 0 to 5 to 10 percent. He had been running a simulation of an evolving planet, when suddenly oxygen started accumulating in the virtual planet’s atmosphere. ![]() Huddled in a coffee shop one drizzly Seattle morning six years ago, the astrobiologist Shawn Domagal-Goldman stared blankly at his laptop screen, paralyzed. ![]()
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