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cannon, annie jump

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Cannon
  (kān'ən)   
American astronomer noted for her work on classifying stellar spectra. Cannon classified the spectra of 225,300 stars brighter than magnitude 8.5, as well as 130,000 fainter stars.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for cannon, annie jump

Cannon, Annie Jump

American astronomer who specialized in the classification of stellar spectra.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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