Boris Vorontsov-Velyaminov
Encyclopedia
Boris Aleksandrovich Vorontsov-Velyaminov (Борис Александрович Воронцов-Вельяминов) (February 14, 1904 – January 27, 1994) was a Soviet
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

/Russia
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...

n astrophysicist. His name is sometimes given as Vorontsov-Vel'yaminov.

He independently discovered the absorption of light by interstellar dust, which was also discovered by Robert Julius Trumpler
Robert Julius Trumpler
Robert Julius Trumpler was a Swiss-American astronomer....

. He compiled a catalogue of what are now known as Vorontsov-Velyaminov galaxies (the Atlas of Interacting Galaxies), as well as a larger and more general catalogue of galaxies
Galaxy
A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter. The word galaxy is derived from the Greek galaxias , literally "milky", a...

 (the Morphological Catalogue of Galaxies
Morphological Catalogue of Galaxies
The Morphological Catalogue of Galaxies ' or Morfologiceskij Katalog Galaktik, is a Russian catalogue of 30642 galaxies compiled by Boris Vorontsov-Velyaminov and V. P. Arkhipova. It is based on a close scrutiny of prints of the Palomar Sky Survey plates, and putatively complete to a photographic...

). He also studied and classified planetary nebula
Planetary nebula
A planetary nebula is an emission nebula consisting of an expanding glowing shell of ionized gas ejected during the asymptotic giant branch phase of certain types of stars late in their life...

e. He is also the author of the standard Russian astronomy textbook for high schools.

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