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Annie Jump Cannon: Quick Facts

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Facts

Born December 11, 1863 • Dover • Delaware
Died April 13, 1941 (aged 77) • Cambridge • Massachusetts
Subjects Of Study classification • spectral type • stellar classification

Photos

Annie Jump Cannon
A Hertzsprung-Russell diagram plotting stars by absolute magnitude and spectral type, showing regions for main sequence stars, white dwarfs, giants, and supergiants, with color gradients from blue (hot and bright) to red (cool and dim). The Sun is marked along the main sequence.
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Pietro Angelo Secchi
Italian astronomer
Cecilia Payne-Gaposchkin
Cecilia Payne-Gaposchkin
British-born American astronomer
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Benjamin Apthorp Gould
American astronomer
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Frank Schlesinger
American astronomer
William Wallace Campbell
William Wallace Campbell
American astronomer
Pickering, Edward Charles
Edward Charles Pickering
American physicist and astronomer
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Lewis Boss
American astronomer
Engraving of six astronomers, with Hipparchus seated at center and, from left to right, Galileo, Johannes Hevelius, Tycho Brahe, Nicolaus Copernicus, and Ptolemy standing, each holding scientific instruments.
Hipparchus
Greek astronomer
William Herschel
William Herschel
British-German astronomer
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Edmond Halley
Edmond Halley
British scientist
John Herschel
Sir John Herschel, 1st Baronet
English astronomer
Karl Schwarzschild
Karl Schwarzschild
German astronomer
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John Flamsteed
British astronomer
Otto Heckmann at the European Southern Observatory's (ESO's) one-metre Schmidt telescope at La Silla, Chile, 1971.
Otto Heckmann
German astronomer
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Jacobus Cornelius Kapteyn
Dutch astronomer
Johannes Hevelius.
Johannes Hevelius
Polish astronomer
Argelander, Friedrich Wilhelm August
Friedrich Wilhelm August Argelander
German astronomer
Johan Dreyer, c. 1910
Johan Ludvig Emil Dreyer
Danish astronomer
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Charles Messier
French astronomer

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View of the Andromeda Galaxy (Messier 31, M31).
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