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British-born American astronomer Cecilia Payne-Gaposchkin discovered that stars are made mainly of hydrogen and helium and established that stars could be classified according to their temperatures
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Poet Laureate Joy Harjo is a key figure in contemporary Native American literature
Cecilia Payne-Gaposchkin KU and languageBritish born American astronomer Cecilia Payne Gaposchkin discovered that stars are made mainly of hydrogen and helium and established that stars could be classified according to their temperatures.
