exo-ocean
nounEtymology From exo- + ocean.
1
An ocean on a planet other than Earth.
- From there, if the planet is big enough to gravitationally retain a thick atmosphere and is in the temperature zone where water can remain fluid, then you’ve got yourself an exo-ocean.2010 November 20, Steve Nerlich, Universe Today:
- Before that day arrives, we might well find evidence of life in some of the exo-oceans much closer to home.2018 May 21, Tim Folger, “Our Aquatic Universe”, in Aeon, archived from the original on 17 Jun 2019: