Great Minds: Henrietta Leavitt & the Human Computers

ORIGINAL: SciShow

Henrietta Swan Leavitt was one of a number of volunteer women astronomers who were allowed to serve as "computers" at Harvard College Observatory, doing tedious work male scientists wouldn't do, and ultimately making a discovery now known as Leavitt's Law, which allows us to measure the distance to stars. 

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References for this episode can be found in the Google document here: http://dft.ba/-3f62