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11/12/1863 Deaf astronomer is born

American astronomer Annie Jump Cannon specialized in the classification of stellar spectra. She cataloged over 225,000 stars and organized them in classes according to their surface temperature. This classification is still in use. Cannon was nearly deaf and she was a member of the National Women's Party.


  • Essentials 

  • Annie Jump Cannon 

  • Personal life 

  • Education 

  • Career 

  • Later life and death 

  • Awards and honors 

  • Bibliography