Science Fair Project Encyclopedia
Heber Doust Curtis
Heber Doust Curtis (June 27 1872 – January 9 1942) was an American astronomer.
He served as director of the Allegheny Observatory . He is best known as one of the participants in the "Great Debate" of 1920 with Harlow Shapley on the nature of nebulas and galaxies and the size of the universe.
External links
| (23400) A913 CF | February 11 1913 |
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


