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1 janv. 1667 - The primary and secondary mirror for reflecting telescopes was invented by Hans Lippershey
Ajouté au bande de temps:
Invention of technological instruments to study space
By
Haraneesh Shah
21 févr. 2020
0
0
525
Date:
1 janv. 1667
Maintenaint
~ Il y a 359 ans
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