Best Harvard College Observatory

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Henrietta Leavitt

Henrietta Leavitt (1868-1921), working at the Harvard College Observatory, made a groundbreaking discovery: the period-luminosity relationship for Cepheid variable stars. This relationship allowed ast...

8.6 非常好

Annie Jump Cannon

Annie Jump Cannon (1863-1941) was an astronomer at Harvard College Observatory who developed the Harvard spectral classification system, which organizes stars into spectral types OBAFGKM based on thei...

Harvard College Observatory Stellar Classification Harvard Spectral Classification Obafgkm Astronomical Spectroscopy Harvard Classification Spectral Classification Stellar Types Astronomical Cataloging

8.3 非常好

Cecilia Payne-Gaposchkin

Cecilia Payne-Gaposchkin (1900-1979) revolutionized astrophysics with her doctoral thesis, 'Stellar Atmospheres,' in which she correctly concluded that stars are primarily composed of hydrogen and hel...

Astrophysics Spectral Analysis Harvard College Observatory Stellar Composition Hydrogen And Helium Stellar Atmospheres

8.1 非常好

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