AaS! 204: How did Annie Jump Cannon Bring Order to the Universe?
How was massive astronomy done in the 1800’s? Who were the Harvard Computers? How did Annie Jump Cannon figure out how to classify stars? I discuss these questions and more in today’s Ask a Spaceman!
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Thanks to Cathy Rinella for editing.
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En liten tjänst av I'm With Friends. Finns även på engelska.