A complex web of interrelated factors make Earth a life-supporting planet, and some of those factors are chemical. New research shows how oxygen abundance regulates the availability of the important chemicals phosphorous and nitrogen on planets, and that few planets get it right. While discouraging, it could help us optimize our search for habitable worlds.
A complex web of interrelated factors make Earth a life-supporting planet, and some of those factors are chemical. New research shows how oxygen abundance regulates the availability of the important chemicals phosphorous and nitrogen on planets, and that few planets get it right. While discouraging, it could help us optimize our search for habitable worlds.
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