Burbidge et al. (1957)

Burbidge et al. (1957) provided key evidence supporting the idea that the elements in the universe formed through processes in stars. They analyzed the light from celestial objects, like stars and nebulae, revealing the presence of various elements and their relative amounts. Their work helped confirm that the stars are factories that produce elements through nuclear reactions, forming the foundation for our understanding of how the universe's chemical composition evolved over time. This research was pivotal in establishing nuclear astrophysics as a scientific field and in explaining the origins of the elements around us.