- Sergey Blazhko
Sergey Nikolaevich Blazhko ("Сергей Николаевич Блажко" in Russian) (
November 5 (17),1870 -February 11 ,1956 ,Moscow ) was aSoviet astronomer , a corresponding member of theSoviet Academy of Sciences (1929), and head of theMoscow Observatory from 1920-1931. [ DSB |first=P.G. | last=Kulikovsky | title=Blazhko, Sergei Nikolaevich | volume=2 | pages=195-197] He discovered a secondary variation of the amplitude and period of some RR Lyrae stars and related pulsating variables, now know as the Blazhko effect.Sergey Blazhko was awarded the
USSR State Prize (1952), two Orders of Lenin, two other orders and numerous medals. A crater on theMoon is named after him.References
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