Category:1646 in astronomy

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Deutsch: 1646 in der Astronomie
English: 1646 in astronomy
Македонски: Астрономијата во 1646 година
Русский: 1646 год в астрономии
Svenska: Astronomiåret 1646
Astronomy in the 1640s
1640
1641
1642
1643
1645
1646
1647
1648
1649