Gerard de Vaucouleurs (1918-95)

Article Abstract:

Astronomer Gerard de Vaucouleurs died on Oct 7, 1995 in Austin, Texas. He is well known for his research on galaxies. His notable achievements include work on luminosity distribution and the structure of elliptical galaxies. He convinced other scientists of the existence of a local supercluster of galaxies with the Virgo cluster as its nucleus. The three editions of 'Reference Catalogues of Bright Galaxies' owe much of the data to de Vaucouleurs.

De Vaucouleurs, Gerard

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Clyde Tombaugh (1906-97): astronomer who discovered the Solar System's ninth planet

Article Abstract:

Astronomer Clyde William Tombaugh passed away on Jan. 17, 1997 at age 90. He gained renown when he discovered Pluto at age 23 with only a high-school diploma and no formal schooling. His discovery earned him a scholarship, which he used to gain astronomy degrees at the University of Kansas. His other findings include new asteroids, five open clusters, a comet, a nova and the Andromeda-Perseus supercluster.

Discovery and exploration, Pluto (Planet), Tombaugh, Clyde

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Frederick Gillett (1937-2001)

Article Abstract:

Astronomer Frederick Gillett gained one of the first doctorates in infrared astronomy and placed infrared instruments in the Kitt Peak National Observatory at Tucson, AZ. He later worked with the team that developed the Infrared Astronomy Satellite.

Gillett, Frederick

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