Planetary magnetism

Details Planetary magnetism Planetary magnetism

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980rvgsp..18...77r&link_type=abstract

Reviews of Geophysics and Space Physics, vol. 18, Feb. 1980, p. 77-106.

Physics

Space Physics

12

Dynamo Theory, Interplanetary Spacecraft, Planetary Magnetic Fields, Satellite Observation, Jupiter (Planet), Mariner Spacecraft, Moon, Pioneer Venus Spacecraft, Saturn (Planet), Terrestrial Planets, Venera Satellites, Review, Planets, Magnetism, Magnetic Fields, Terrestrial Planets, Moon, Jupiter, Saturn, Dynamo Theory, Mercury, Planet, Earth, Mars, Venus, Surface, Rocks, Observations, Models, Satellites, Scaling Laws, Size, Cores, Jovian Planets, Mariner Probes, Data, Mars Probes, Venera Probes, Pioneer V

Scientific paper

Planetary spacecraft have now probed the magnetic fields of all the terrestrial planets, the moon, Jupiter, and Saturn. These measurements reveal that dynamos are active in at least four of the planets, Mercury, the earth, Jupiter, and Saturn but that Venus and Mars appear to have at most only very weak planetary magnetic fields. The moon may have once possessed an internal dynamo, for the surface rocks are magnetized. The large satellites of the outer solar system are candidates for dynamo action in addition to the large planets themselves. Of these satellites the one most likely to generate its own internal magnetic field is Io.

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