Sergey Blazhko

Russian astronomer (1870–1956)

"Blazhko" redirects here. For the lunar crater, see Blazhko (crater).

Sergey Blazhko

Sergey Nikolayevich Blazhko (Russian: Серге́й Никола́евич Блажко́; November 17, 1870, Khotsimsk – February 11, 1956, Moscow) was a Russian and Soviet astronomer, a corresponding member of the Academy of Sciences of the Soviet Union (1929). He was a graduate of Moscow State University[1] and held a number of positions there including head of the Moscow Observatory from 1920-1931.[2] He discovered a secondary variation of the amplitude and period of some RR Lyrae stars and related pulsating variables, now known as the Blazhko effect.

Sergey Blazhko was awarded the Stalin Prize (1952), two Orders of Lenin, two other orders and numerous medals. The crater Blazhko on the Moon is named after him.

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## References

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1. ^ Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Retrieved August 22, 2012.
2. ^ Kulikovsky, P.G. (1970–1980). "Blazhko, Sergei Nikolaevich". Dictionary of Scientific Biography. Vol. 2\. New York: Charles Scribner's Sons. pp. 195–197. ISBN 978-0-684-10114-9.

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