- 1Epigraph — Preface
- 2Lecture I — The Interior of a Star
- 3Temperature in the Interior
- 4Ionization of Atoms
- 5Radiation Pressure and Mass
- 6The Interior of a Star
- 7Opacity of Stellar Matter
- 8The Relation of Brightness to Mass
- 9Dense Stars
- 10Lecture II — Some Recent Investigations
- 11The Story of Algol
- 12The Story of the Companion of Sirius
- 13Unknown Atoms and Interpretation of Spectra
- 14Spectral Series
- 15The Cloud in Space
- 16The Sun’s Chromosphere
- 17The Story of Betelgeuse
- 18Lecture III — The Age of the Stars
- 19Pulsating Stars
- 20The Cepheid as a ‘Standard Candle’
- 21The Contraction Hypothesis
- 22Subatomic Energy
- 23Evolution of the Stars
- 24Radiation of Mass
- 25Appendix
Stars and Atoms
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