Category:1720 in astronomy
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Science by year: Astronomy ·
Deutsch: 1720 in der Astronomie
English: 1720 in astronomy
Македонски: Астрономијата во 1720 година
Русский: 1720 год в астрономии
Svenska: Astronomiåret 1720
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Media in category "1720 in astronomy"
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Whiston Senex solar system chart.jpg 750 × 843; 175 KB
