Stellar Atmospheres, A Contribution to the Observational Study of High Temperature in the Reversing Layers of Stars
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"Stellar Atmospheres, A Contribution to the Observational Study of High Temperature in the Reversing Layers of Stars" is the groundbreaking 1925 doctoral thesis in which Cecilia Payne-Gaposchkin demonstrated that stars are composed primarily of hydrogen and helium, fundamentally transforming astrophysics.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astrophysics publication
ⓘ
doctoral thesis ⓘ scientific work ⓘ |
| academicDegree | PhD ⓘ |
| academicInstitution | Harvard University NERFINISHED ⓘ |
| author | Cecilia Payne-Gaposchkin NERFINISHED ⓘ |
| challengedPrevailingView | assumption that stellar composition is similar to Earth’s crust ⓘ |
| conclusion |
helium is the second most abundant element in stars
ⓘ
hydrogen is the most abundant element in stars ⓘ stellar spectral lines depend strongly on temperature and ionization state ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| discipline |
astronomy
ⓘ
physics ⓘ |
| field |
astrophysics
ⓘ
stellar astronomy ⓘ |
| genre | doctoral dissertation ⓘ |
| historicalSignificance |
considered a landmark in 20th-century astronomy
ⓘ
one of the first major astrophysics PhD theses by a woman ⓘ |
| impact |
established hydrogen dominance in the universe as a standard view
ⓘ
laid groundwork for quantitative stellar spectroscopy ⓘ revolutionized understanding of stellar composition ⓘ |
| inAcademicDiscipline |
plasma physics
ⓘ
spectroscopy ⓘ stellar astrophysics ⓘ |
| influencedBy | Meghnad Saha NERFINISHED ⓘ |
| language | English ⓘ |
| mainSubject |
chemical composition of stars
ⓘ
ionization in stellar atmospheres ⓘ spectroscopic analysis of stars ⓘ stellar atmospheres ⓘ temperature of stellar reversing layers ⓘ |
| notableFor |
demonstrating that stars are composed primarily of hydrogen and helium
ⓘ
foundational contribution to modern astrophysics ⓘ |
| placeOfResearch | Harvard College Observatory NERFINISHED ⓘ |
| publicationYear | 1925 ⓘ |
| publisher | Harvard College Observatory Monographs NERFINISHED ⓘ |
| relatedConcept |
stellar composition
ⓘ
stellar effective temperature ⓘ stellar spectra classification ⓘ |
| relatedWork | work of Annie Jump Cannon on stellar classification ⓘ |
| supervisor | Harlow Shapley NERFINISHED ⓘ |
| timePeriod | early 20th century ⓘ |
| titleShort | Stellar Atmospheres NERFINISHED ⓘ |
| usedMethod |
Saha ionization equation
NERFINISHED
ⓘ
stellar spectroscopy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Cecilia Payne-Gaposchkin
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doctoralThesisTitle
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Stellar Atmospheres, A Contribution to the Observational Study of High Temperature in the Reversing Layers of Stars
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