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+--- Thread: Habitable Venus (/showthread.php?tid=4660)
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RE: Habitable Venus - Cray - 07-13-2020
(07-10-2020, 04:38 AM)dangerous_safety Wrote: From what I've read, the most likely cause for Venus lacking a magnetic field is that its core is entirely molten. The thicker crust and lack of plate tectonics, limits the rate of heat loss from the core, keeping it liquid. Rotation could certainly play a role as well though.
Earth's core was entirely molten until about 500 million - 2 billion years ago, depending on which model of the inner core you cite. However, there is evidence of a magnetic field up to 3.5 billion years ago.
RE: Habitable Venus - four - 09-20-2020
This theory, combined with the recent hints of life currently in Venus's atmosphere (phosphine detected), makes me wonder if this could be a sign of life previously existing on a more habitable Venus but nowadays only holding out in the upper atmosphere?