inside the new analysis, the researchers discovered symptoms of ammonia in which that water ice become exposed. Ammonia is a fragile molecule that can be damaged down through ultraviolet daylight and cosmic rays in only four hundred,000 to a thousand million years. “in case you discover it in any respect, it suggests that it has been positioned there fairly lately,” Cruikshank says. “there may be actually no limit [to how recently], as some distance as i can see within the geology.”
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