Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.197.1125r&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 197, Dec. 1981, p. 1125-1137.
Astronomy and Astrophysics
Astronomy
9
Background Radiation, Cosmology, Microwaves, Thermalization (Energy Absorption), Astronomical Models, Baryons, Cosmic Dust, Helium, Intergalactic Media, Isotropy, Nuclear Fusion, Radiant Flux Density, Red Shift, Stellar Evolution
Scientific paper
In view of some of the difficulties associated with the standard interpretation, a different origin is suggested of the microwave background radiation (MBR). It is noted that extensive stellar-type nucleosynthesis could provide radiation with the requisite energy density of the MBR and its spectral features are guaranteed by adequate thermalization of the above radiation by an ambient intergalactic dust medium. This thermalization is thought to have occurred in quite recent epochs, say around epochs of redshift z = 7. The model emerges with consistent limits on the cosmic abundance of helium, the general luminosity evolution of the extragalactic objects, the baryonic matter density in the universe, and the isotropy degree of MBR. The model makes definite predictions on such issues as the properties of the intergalactic thermalizers, the degree of isotropy of MBR at submillimeter wavelengths and cluster emission in the far infrared.
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