Study warns of 'oxygen false positives' in search for signs of life on other planets

ScienceDaily
Apr 13, 2021, 12:43 pm118 pts
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios in which a lifeless rocky planet around a sun-like star could evolve to have oxygen…

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