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Astrobiology Magazine

A goldilocks zone for planet size

14 Oct 2019, 09:00 UTC
A goldilocks zone for planet size NASA/ESA

In a recent paper, Harvard University researchers described a new, lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called Habitable or “Goldilocks’’ Zone for small, low-gravity planets. This research expands the search area for life in the universe and sheds light on the important process of atmospheric evolution on small planets.

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