Aristarkh Apollonovich Belopolsky
Belopolsky, Aristarkh Apollonovich (ərĭˈstärkh əpəlônˈəvĭch byələpôlˈskē) [key], 1854–1934, Russian astrophysicist, grad. Moscow Univ. (1877). He worked at the Moscow Observatory and from 1888 at the Pulkovo Observatory, where he became vice director in 1908. He was among the first Russians to study the sun and stars spectroscopically. He discovered important features of pulsating stars and studied the rotation of Jupiter and of Saturn's rings. He also determined the nature of various binary star systems and the radial velocities of many stars.
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