Rising Oxygen Levels of Past Earth May Help in Search for Life - a podcast by Dr. Pamela Gay & Annie Wilson

from 2022-02-04T00:58:36

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Scientists analyzed iron-rich sedimentary rocks and estimated the amount of oxygen present in the atmosphere when those rocks formed, finding low levels of oxygen and giving insight into a potential biosignature for life beyond Earth. Plus, controlling robots from space, a SpaceX launch, and this week’s What’s Up.