Category:1657 in astronomy
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Deutsch: 1657 in der Astronomie
English: 1657 in astronomy
Македонски: Астрономијата во 1657 година
Русский: 1657 год в астрономии
Svenska: Astronomiåret 1657
Subcategories
This category has the following 2 subcategories, out of 2 total.
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- 1657 books about astronomy (1 F)