1777 Variables in the Magellanic Clouds Henrietta Swan Leavitt

Autor:

Henrietta Swan Leavitt

Credit:

Annals of the Harvard College Observatory, Vol. LX, No. IV, Published by the Observatory, Cambridge, Massachusetts, 1908 [1]

Krótki link:

https://plwiki.pl/b/dd075

źródło:

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Opis:

"1777 Variables in the Magellanic Clouds, by Henrietta S. Leavitt." Annals of the Harvard College Observatory, Vol. LX, No. IV, Published by the Observatory, Cambridge, Massachusetts, 1908.

Licencja:

Public domain