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Leavitt (1 Jan 1868 Jahr – 1 Jan 1921 Jahr)

Beschreibung:

Measured stars brightness

Zugefügt zum Band der Zeit:

BHP P3

ByRyanne Navarro

6 Dez 2019

0

0

491

Datum:

1 Jan 1868 Jahr

1 Jan 1921 Jahr

~ 53 years

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