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07/12/1979 The woman who found out what are the stars made on

American astronomer Cecilia Payne-Gaposchkin died. She was the first who applied the brand-new laws of atomic physics to the study of the stars. She discovered that stars are made approximately from ninety-nine percent of hydrogen and one percent of helium. Hydrogen and helium are two lightest and simplest elements.


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  • Influence on women scientists 

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