Magnetic field generation in celestial bodies

Details Magnetic field generation in celestial bodies Magnetic field generation in celestial bodies

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...136..153d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 136, no. 1, July 1984, p. 153-160.

Astronomy and Astrophysics

Astrophysics

4

Celestial Bodies, Geomagnetism, Interstellar Magnetic Fields, Solar Magnetic Field, Stellar Magnetic Fields, A Stars, Dynamo Theory, Geochemistry, Milky Way Galaxy, Solar Oscillations

Scientific paper

The possibility of magnetic field generation in various celestial bodies by 'battery' effects of different kinds is analyzed. The effect is caused by the difference in the directions of the electron pressure gradient and the gradient of the electron number density. The possibility that conditions suitable for the 'battery mechanisms' exist on the earth, the sun and stars are considered. It is shown that the observational data are not in contradiction with the hypothesis that the effect considered plays a major or even an essential role in many cases. The possible origin of the galactic magnetic field as a superposition of the fields ejected from stars is discussed.

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