Pavel Karlovich Shternberg (April 2, 1865 – February 1, 1920, both dates New Style) was a Russian

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 astronomer

Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

 and revolutionary, who contributed to the abolition of the government by Alexander Kerensky

Alexander Kerensky

Alexander Fyodorovich Kerensky was a major political leader before and during the Russian Revolutions of 1917.Kerensky served as the second Prime Minister of the Russian Provisional Government until Vladimir Lenin was elected by the All-Russian Congress of Soviets following the October Revolution...

. He was friends with two notable figures, Vladimir Lenin

Vladimir Lenin

Vladimir Ilyich Lenin was a Russian Marxist revolutionary and communist politician who led the October Revolution of 1917. As leader of the Bolsheviks, he headed the Soviet state during its initial years , as it fought to establish control of Russia in the Russian Civil War and worked to create a...

 and Leon Trotsky

Leon Trotsky

Leon Trotsky , born Lev Davidovich Bronshtein, was a Russian Marxist revolutionary and theorist, Soviet politician, and the founder and first leader of the Red Army....

. His significant contributions include discovery of the planetary perturbations, the measurement of the latitude of the Moscow Astronomical Observatory

Sternberg Astronomical Institute

The Sternberg Astronomical Institute , also known as GAISh , is a research institution in Moscow, Russia, a division of Moscow State University. The institute is named after astronomer Pavel Karlovich Shternberg.The asteroid 14789 GAISH was named in its honour.-External links:*...

, and application of the photography

Photography

Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...

 to astronomy. The primary subject of his photography were capturing double stars.

Sternberg Astronomical Institute

Sternberg Astronomical Institute

The Sternberg Astronomical Institute , also known as GAISh , is a research institution in Moscow, Russia, a division of Moscow State University. The institute is named after astronomer Pavel Karlovich Shternberg.The asteroid 14789 GAISH was named in its honour.-External links:*...

 and the lunar crater Shternberg

Shternberg (crater)

Shternberg is an eroded lunar impact crater on the Moon's far side. It lies just to the west-northwest of the crater Ohm, and is completely covered by higher-albedo material from the ray system that surrounds Ohm. To the west-southwest of Shternberg is Weyl, and to the west-northwest is Comstock...

are named after him.