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23 Jul 1893 Jahr - Wilhelm Baade,Germany

Beschreibung:

Calculated an accurate estimate of the size of the universe and discovered supernovas

Zugefügt zum Band der Zeit:

Astronomers time line

ByFernando Cornejo Avalos

13 Nov 2018

0

0

339

Datum:

23 Jul 1893 Jahr

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~ 132 years ago

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