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23 juill. 1893 - Wilhelm Baade,Germany

Description:

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

Ajouté au bande de temps:

Astronomers time line

ByFernando Cornejo Avalos

13 nov. 2018

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Date:

23 juill. 1893

Maintenaint

~ Il y a 132 ans

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