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Annie Jump Cannon and Henrietta Leavitt,1913

Annie Jump Cannon (December 11, 1863 - April 13, 1941) was an American astronomer. In 1896 Cannon became a member of Pickering's women, the women hired by Harvard Observatory director Edward Charles Pickering to complete the Draper Catalog mapping and defining all the stars in the sky to photographic magnitude of about 9. Henrietta Swan Leavitt (July 4, 1868 - December 12, 1921) was an American astronomer. A graduate of Radcliffe College, she worked at the Harvard College Observatory as a human computer. Though she received little recognition in her lifetime, Leavitt's discovery provided astronomers with the first standard candle with which to measure the distance to faraway galaxies. Harvard University, no photographer credited, 1913.

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Title: Annie Jump Cannon and Henrietta Leavitt,1913

Caption: Annie Jump Cannon (December 11, 1863 - April 13, 1941) was an American astronomer. In 1896 Cannon became a member of Pickering's women, the women hired by Harvard Observatory director Edward Charles Pickering to complete the Draper Catalog mapping and defining all the stars in the sky to photographic magnitude of about 9. Henrietta Swan Leavitt (July 4, 1868 - December 12, 1921) was an American astronomer. A graduate of Radcliffe College, she worked at the Harvard College Observatory as a human computer. Though she received little recognition in her lifetime, Leavitt's discovery provided astronomers with the first standard candle with which to measure the distance to faraway galaxies. Harvard University, no photographer credited, 1913.

Credit: Album / Science Source

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Image size: 3164 × 4200 px | 38.0 MB

Print size: 26.8 × 35.6 cm | 1245.7 × 1653.5 in (300 dpi)

Keywords: 1913 • 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • AMERICA • ANNIE JUMP CANNON • ASTRONOMER • BW • CELEBRITIES • CELEBRITY • DRAPER CATALOG • EDWARD PICKERING • FAMOUS PEOPLE • FAMOUS • HARVARD COLLEGE OBSERVATORY • HARVARD COMPUTERS • HENRIETTA LEAVITT • HISTORY • HUMAN COMPUTER • PERSONALITY • PHOTO • TWENTIETH CENTURY • USA • WOMAN • WOMEN'S HALL OF FAME