Heber Doust Curtis (1872–1942)

Born 1872 CE, died 1942 CE.

Heber Doust Curtis (June 27, 1872 – January 9, 1942) was an American astronomer. He participated in 11 expeditions for the study of solar eclipses, and, as an advocate and theorist that additional galaxies existed outside of the Milky Way, was involved in the 1920 Shapley–Curtis Debate concerning the size and galactic structure of the universe.

Text from the Wikipedia article Heber_Doust_Curtis, licensed CC BY-SA 4.0.

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