Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gregr..15..467f&link_type=abstract
General Relativity and Gravitation (ISSN 0001-7701), vol. 15, May 1983, p. 467-474.
Astronomy and Astrophysics
Astronomy
3
Astronomical Models, Galactic Evolution, Magnetohydrodynamics, Universe, Weight (Mass), Astrodynamics, Background Radiation, Cosmology, Kinetic Theory, Relativity, Reynolds Stress, Rotating Fluids, Shapes, Shear Flow, Space Density
Scientific paper
Present astronomical data indicate an unbound universe with density ≡1.6×10-31g cm-3 in which galaxies could not have formed gravitationally. The author shows how magnetohydrodynamic (MHD) processes allow galaxy formation in an open anisotropic MHD universe with shear, rotation, and fluid flow. The dipole anisotropy of the microwave background radiation sets their respective first-order values at 3.7×10-15yr-1, 10-14yr-1, and 5×10-4c. Second-order effects of Maxwell and Reynolds stresses require that the magnetic field, shear, and Hubble expansion be 10-8G, 3.7×10-15yr-1, and 10-10yr-1 (100 km sec-1Mpc-1). The model is rigidly self-consistent, predicting both the recent value of the Hubble expansion above and of the shear (⪉9×10-15yr-1) given by the microwave background's recently measured quadrupole anisotropy.
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