What Is the Sun Made Of? | Dr. Cecilia Payne-Gaposchkin

The video discusses the sun's composition and the groundbreaking work of Dr. Cecilia Payne-Gaposhkin, who discovered that the sun is primarily made of hydrogen and helium. Despite facing gender-based challenges, Payne's meticulous research and analysis of sunlight led to her earning a Ph.D. and eventually becoming a professor at Harvard. Her work changed the understanding of stars and left a lasting impact on astronomy.

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