Born Velikiye Luki, Russia, 11 October 1917
Died 1999
Russian solar‐system cosmogonist Viktor Safronov was a protégé of Otto Schmidt . In his 1968 Evolution of the Protoplanetary Cloud and the Formation of the Earth and Planets , Safronov quantified the theory for planetary formation from the accumulation of planetesimals, an idea generally attributed to Thomas Chamberlin and Forest Moulton around 1900. The Safronov theory includes the evolution of the planet's mass, obliquity, and temperature as a function of the rate of accretion.
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Burns, Joseph A., Jack J. Lissauer and Andrei Makalkin (2000). “In Memoriam: Victor Sergeyevich Safronov (1917–1999).” Icarus 145: 1–3.
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(2007). Safronov, Viktor Sergeyevich. In: Hockey, T., et al. The Biographical Encyclopedia of Astronomers. Springer, New York, NY. https://doi.org/10.1007/978-0-387-30400-7_1207
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