Spectroscopy: what are stars made of? | FameLab

Physics whizz Wendy Sadler MBE demonstrates how one of her science heroes, 20th century astronomer Cecilia Payne-Gaposchkin, used spectroscopy to discover what elements stars are made from. Can you explain a scientific idea in just three minutes? Take part in FameLab, the world's leading science communication competition: https://www.britishcouncil.org/educat... Subscribe to our channel:    / britishcounci.  . Visit our website: https://www.britishcouncil.org/