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A comment on Planet Ceres is an 'ocean world' with sea water beneath surface, mission finds. Parent comment

Re:Planet Ceres is an 'ocean world' with sea water beneath s... by baggy_trough on Tuesday August 11, 2020 @03:16PM (#24124651)
The maximum surface temperature on Ceres is -118C. How would you get to -20C without geological heating?
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