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Q&A Can a planet with a dead core still generate a strong magnetic field?

Imagine a world with a dead core, like Mars, but covered in water. This world has managed to hold on to its atmosphere and quite a bit of its water as well. I'm sure the prodigious life there would...

3 answers  ·  posted 9y ago by Josh Belmont‭  ·  last activity 9y ago by Josh Belmont‭

Question environment space planets physics