Annie Jump Cannon

Astronomer Annie Jump Cannon

Profession: Astronomer

United States of America

Biography: Pioneering female astronomer who invented the stellar classification system.

Cannon was the first woman to receive an honorary doctorate from Oxford University (1925).

Born: December 11, 1863
Birthplace: Dover, Delaware, USA
Star Sign: Sagittarius

Died: April 13, 1941 (aged 77)

Historical Events

  • 1922-05-09 The International Astronomical Union formally adopt Annie Jump Cannon's stellar classification system, which with only minor changes, is still used today

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