Cosmic Exploration · discovery
Stars Are Made of Hydrogen
1925 · Cecilia Payne-Gaposchkin
- Year
- 1925
Description
Payne-Gaposchkin applied the Saha equation to stellar spectra and found hydrogen outnumbering everything else by orders of magnitude. Told the result was 'clearly impossible', she added a disclaimer; she was right and it was retracted four years later.
Open on the Cosmic Exploration shelf — the interactive card, the filters, and everything alongside it.