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Henry E. Holt
Henry E. Holt (born 1929)〔Darling, David. ("Asclepius (minor planet 4581)" ). ''The Internet Encyclopedia of Science''. Retrieved 2011-05-24.〕 is an American astronomer. He has discovered numerous asteroids, including 6312 Robheinlein, which he named after Robert Anson Heinlein. He is also a co-discoverer of periodic comets 121P/Shoemaker-Holt, 127P/Holt-Olmstead and 128P/Shoemaker-Holt. He has worked as a planetary geologist at the United States Geological Survey and Northern Arizona University. In the 1960s he studied the photometric properties of the surface of the moon as part of the Surveyor and Apollo programs.〔Schmadel, Lutz D. (2003). "(4435) Holt". ''Dictionary of Minor Planet Names, Volume 1''. (5th ed.) Springer: (p. 381. ) ISBN 978-3-540-00238-3.〕 The asteroid 4435 Holt was named in his honor.〔 ==References==
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