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April 14, 2017: Generating Magnetic Fields in Earth, Venus, and Super-Earth Exoplanets

Posted on Mar 31, 2017 in Seminars

Joseph O’Rourke (Caltech)

http://web.gps.caltech.edu/~jorourke/index.html

Generating Magnetic Fields in Earth, Venus, and Super-Earth Exoplanets

Earth’s global magnetic field has survived for at least 3.5 billion years, yet Venus lacks a dynamo today. I will explore possible explanations for this dichotomy and discuss related implications for the internal structure and evolution of massive, rocky exoplanets.