Ancient Mars' warm spells probably didn't last long

Catastrophe

"There never was a good war, or a bad peace."
Very interesting study:

QUOTE
"The dynamic history of Martian environments proposed here suggests opportunities for the emergence of life during warm, wet intervals when reducing conditions would have favored prebiotic chemistry, but also challenges for the persistence of surface life in the face of frequent and, through time, lengthening intervals of mainly cold and dry oxidizing environments," Wordsworth and his colleagues wrote in the new study.
QUOTE

Cat :)
 

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