Statistics – Computation
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..222..151m&link_type=abstract
In: After the first three minutes; Proceedings of the 1st Astrophysics Workshop, Univ. of Maryland, College Park, Oct. 15-17, 19
Statistics
Computation
Cosmology, Microwaves, Optical Thickness, Relic Radiation, Universe, Absorption Cross Sections, Computational Astrophysics, Cosmic Gases, Radiative Transfer
Scientific paper
It is argued that the cosmic microwave background (CMB) should not show higher-order multipole moments, in agreement with COBE observations. Moreover, the multipole expansion shows terms proportional to the temperature gradient but not to the density gradient. The absence of temperature fluctuations in the CMB does not imply the absence of density fluctuation in the early universe. The smoothness of the CMB may thus be a weaker constraint on theories of galaxy formation than currently thought.
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