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  • Mars Has Lightning, Scientists Prove

    Mars Has Lightning, Scientists Prove

    This is the first time there has been convincing evidence that electrical activity on Mars is actually occurring, says Francis Nimmo, a planetary scientist at the University of California, Santa Cruz, who wasn’t involved in the study.

  • The Mysterious Inner Workings of Io, Jupiter’s Volcanic Moon

    The Mysterious Inner Workings of Io, Jupiter’s Volcanic Moon

    Researchers disagree on the best interpretation of the Galileo data. The magnetic signals “were taken as probably the best evidence for a magma ocean, but really they weren’t that strong,” said Francis Nimmo, a planetary scientist at the University of California, Santa Cruz, and a coauthor of the new study. The induction data couldn’t distinguish…

  • Our moon may have once been as hellish as Jupiter’s super volcanic moon Io

    Our moon may have once been as hellish as Jupiter’s super volcanic moon Io

    “The moon gets sort of confused,” planetary scientist Francis Nimmo, of the University of California, Santa Cruz, told Space.com. “It doesn’t know exactly what orbit it should be adopting, and so it can develop kind of a weird orbit.”

Last modified: Dec 03, 2025