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Chandrasekhar Centenary Talk, "Stellar Dynamics and Black Holes"
By Merritt, David
Published in Pramana Journal of Physics 77, 135 (Saturday, July 30, 2011)


Chandrasekhar's most important contribution to stellar dynamics was the concept of dynamical friction. I briefly review that work, then discuss some implications of Chandrasekhar's theory of gravitational encounters for motion in galactic nuclei.