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Stellar
1938
William W. Campbell, U.S. astronomer (Stellar Motions), dies at 76
1920
F Pease's interferometer measures 1st stellar diameter (Betelgeuse)
1910
William Huggins, discoverer of stellar nature of Andromeda, dies
1863
Annie Jump Cannon, U.S., stellar spectroscopist, Harvard-classification
1839
Thomas Henderson measures 1st stellar parallax (Alpha Centauri)
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