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Title:
On the origins of galaxies, galactic angular momenta, and galactic magnetic fields
Authors:
Wasserman, I.
Affiliation:
AA(Harvard University, Cambridge, Mass.)
Publication:
Astrophysical Journal, Part 1, vol. 224, Sept. 1, 1978, p. 337-343. Research supported by Harvard University and Smithsonian Research Foundation. (ApJ Homepage)
Publication Date:
09/1978
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Angular Momentum, Astronomical Models, Galactic Evolution, Galactic Rotation, Magnetic Fields, Cosmic Plasma, Galactic Mass, Gravitational Fields, Magnetohydrodynamics, Plasma Turbulence, Reynolds Number
DOI:
10.1086/156381
Bibliographic Code:
1978ApJ...224..337W

Abstract

It is shown that if one assumes the existence of a disordered cosmic magnetic field at recombination, then, provided the field varies on a comoving scale corresponding to a typical galactic mass, one can account for the existence of galaxies, galactic angular momenta, and galactic magnetic fields. The theory predicts the existence of a present-day intergalactic magnetic field of no more than about 1 billionth of a gauss varying on a characteristic length scale of the order of 1 Mpc.

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