Summary:
- Cecilia Payne-Gaposchkin was a pioneering astrophysicist who made groundbreaking contributions to our understanding of the composition of stars.
- She was the first person to correctly identify that the sun and other stars are primarily composed of hydrogen and helium, rather than the heavier elements that make up the Earth.
- Payne-Gaposchkin faced significant challenges as a woman in science, but her persistence and scientific rigor led to her work being recognized and celebrated as a major milestone in the field of astrophysics.