To: RadioAstronomer; PatrickHenry
Oxygen detected on a distant planet.
Conventional wisdom says holds that oxygen in stable quantities in a planetary atmosphere would have to mean some replenishment (from a life form) since oxygen is so reactive.
But in this case it seems to be some massive geo-chemical mechanism unrelated to life processes.
To: *crevo_list; VadeRetro; jennyp; Junior; longshadow; RadioAstronomer; Physicist; LogicWings; ...
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