Science Fair Project Encyclopedia
Harold Alden
Harold Lee Alden (January 10 1890 – February 3 1964) was an American astronomer. He was born in Chicago.
He worked for twenty years at the Yale Observatory in South Africa before returning to the University of Virginia. He is noted mainly for measuring stellar parallax, the proper motion of stars and long period variable stars.
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