Category:2117 in astronomy
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Science: Astronomy ·
Deutsch: 2117 in der Astronomie
English: 2117 in astronomy
Македонски: Астрономијата во 2117 година
Русский: 2117 год в астрономии
Svenska: Astronomiåret 2117
Subcategories
This category has the following 2 subcategories, out of 2 total.