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Cecilia Payne-Gaposchkin: the woman who found hydrogen in the stars

08 Mar 2022
Taken from the March 2022 issue of Physics World, where it appeared under the headline "The woman who found hydrogen in the stars".

Sidney Perkowitz delves into the work and life of Cecilia Payne-Gaposchkin, from her stellar astronomical findings to a career-long struggle with bias against women in the early 20th century

Cecilia Payne-Gaposchkin using astronomical equipment
(Courtesy: Astronomical Society of the Pacific, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection)
Hydrogen, the simplest atom, is a basic building block of the universe. We know that it existed soon

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Sidney Perkowitz is the Candler Professor of Physics Emeritus at Emory University, US. His latest books are Physics: a Very Short Introduction and Science Sketches: the Universe from Different Angles (forthcoming, 2022)
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