Robert Julius Trumpler

Robert Julius Trumpler (October 2 1886 – September 10 1956) was a Swiss-American astronomer. He was born in Zurich. In 1915, he came to the United States to take a position at Allegheny Observatory, and later went to Lick Observatory. In 1921, he became a naturalized citizen of the United States. He is best known for his work on galactic clusters, demonstrating the phenomenon of absorption of light (extinction) by interstellar dust. A crater on Mars is named in his honour.

External links

Trumpler, Robert Trumpler, Robert Trumpler, Robert Trumpler, Robert

 

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