A super-Earth can have a mass as much as ten times that of Earth, and the corresponding 10x increase in gravity would make it hugely difficult to reach orbit.
The post Alien Civilizations on Super-Earths Might Be Stuck There Because of High Gravity appeared first on ExtremeTech.
from ExtremeTechExtremeTech https://www.extremetech.com/extreme/268023-alien-civilizations-on-super-earths-might-be-stuck-there-because-of-high-gravity
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