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5 ore 45 min, 1 gen 1919 anni - Hubble joins the staff of the Mount Wilson Observatory
Descrizione:
Joins the staff of the Mount Wilson Observatory
Aggiunto al nastro di tempo:
23 gen 2018
0
0
371
big history project timeline
Henrietta Leavitt, and Edwin Hubble.
Data:
5 ore 45 min, 1 gen 1919 anni
Adesso
~ 105 years ago