Annie Jump Cannon was a female astronomer best known for coming up with the current system of stellar classification. She was one of the so-called Harvard computers who analyzed photographic plates of the stars.
from Space.com ift.tt/2fJfngm
Annie Jump Cannon was a female astronomer best known for coming up with the current system of stellar classification. She was one of the so-called Harvard computers who analyzed photographic plates of the stars.
from Space.com ift.tt/2fJfngm
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