Abstract
Our examination of the relations of spherically symmetric accretion on a massive point object to viscous drag, neglecting gas pressure and using self-similar transformation, shows the behaviors of the asymptotic solutions? in the regions near to and far from the center. The viscosity reduces the free-fall velocity by the factor <TEX>$(1\;+\;\zeta) ^{-1}$</TEX>, and causes flattening in the density distribution. Therefore, the viscosity leads to the reduction of the mass accretion rate.
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