Cecilia Payne-Gaposchkin
On the distribution of intensity in stellar absorption lines
Cecilia Payne-Gaposchkin · 2025
Public domain, Project Gutenberg. No sign-up.
AstrophysicsStars -- SpectraAbsorption spectra
Cecilia Payne-Gaposchkin · 2025
Public domain, Project Gutenberg. No sign-up.