Earth's stable temperature past suggests other planets could also sustain life

Research about temperatures on the early Earth have ranged from a virtually ice-covered surface to a very hot planet that could not support most of today's lifeforms. New computer simulations show fairly moderate average temperatures and more stable ocean pH -- which helps explain how life evolved here, and might emerge on other planets.

from Oceanography News -- ScienceDaily https://ift.tt/2GNvrLv
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