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pickering, edward charles

pickering, edward charles in Science
Pickering
  (pĭk'ər-ĭng)   
American astronomer who made many innovations in the equipment used to observe and measure the distance of stars. In 1884 he published the first catalog of stellar magnitudes. His brother William Henry Pickering (1858-1938) discovered Phoebe, the ninth moon of Saturn (1899), and predicted the existence of Pluto (1919).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for pickering, edward charles

Pickering, Edward Charles

UU.S. physicist and astronomer who introduced the use of the meridian photometer to measure the magnitude of stars and established the Harvard Photometry (1884), the first great photometric catalog.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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