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Super-Earths, Magnetic Fields and Astrobiology

30 Nov 2018, 18:53 UTC
Super-Earths, Magnetic Fields and Astrobiology ESO/M. Kornmesser

We’d like to know a lot more than we do about how planets create magnetic fields. After all, a major motivation for exoplanet research (though hardly the only one) is to find out whether there is other life in the universe. A magnetic field can protect planetary atmospheres from the effects of the host star’s stellar wind, a stream of charged particles that could disrupt life’s formation. Planets in close orbits of a central star are going to be particularly vulnerable.

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