Sergey Blazhko, Date of Birth, Place of Birth, Date of Death
TweetSergey Blazhko
Russian astronomer
Date of Birth: 05-Nov-1870
Place of Birth: Chocimsk, Mogilev Region, Belarus
Date of Death: 11-Feb-1956
Profession: astronomer
Zodiac Sign: Scorpio 
About Sergey Blazhko
- Sergey Nikolaevich Blazhko (?????? ?????????? ?????? in Russian) (November 5(17), 1870 - February 11, 1956, Moscow) was a Russian and Soviet astronomer, a corresponding member of the Soviet Academy of Sciences (1929).
- He was a graduate of Moscow University and held a number of positions there including head of the Moscow Observatory from 1920-1931.
- 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 USSR State 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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