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Henrietta Swan Leavitt July 4, 1868- December 12, 1921 Discovered that period of fluctuation in brightness is regular and a result of the luminosity of the star Determined magnitude of 108 stars (4 juill. 1868 – 12 déc. 1921)

Ajouté au bande de temps:

Astronomy Project

ByAnuthra Abeysinghe
il y a 9 mois
0
0
107

Date:

4 juill. 1868
12 déc. 1921
~ 53 years

Les images:

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