Abstract:Is it possible for a rocky planet to have too much internal heating to
maintain a habitable surface environment? In the Solar System, the best
example of a world with high internal heating is Jupiter’s moon Io,
which has a heat flux of approximately 2 W m-2 compared to the Earth’s
90 mW m-2. The ultimate upper limit to internal heating rates is the
Tidal Venus Limit, where the geothermal heat flux exceeds the Runaway
Greenhouse Limit of 300 W m-2 for an Earth-mass planet. Between Io and a
Tidal Venus there is … Show more
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