The effect of intergalactic dust on the measurement of the cosmological deceleration parameter Q subscript zero

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Cosmic Dust, Cosmology, Deceleration, Intergalactic Media, Microwave Emission, Thermalization (Energy Absorption), Background Radiation, Expansion, Galactic Evolution, Graphite, Independent Variables, Luminous Intensity, Universe

Scientific paper

In a recent attempt to explain the cosmic microwave background without the big bang, a thermalization mechanism involving intergalactic whisker grains of graphite was proposed. The effect of absorption by the intergalactic medium in general, and of the above type in particular, on the measurement of the deceleration parameter of the expanding universe is discussed. Its effect is shown to be comparable in magnitude but opposite to that of the luminosity evolution in galaxies. A consequential selection effect is also discussed.

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