Francis Preserved Leavenworth

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12 hours ago
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Albert Flores

Francis Preserved Leavenworth (3. září 1858, Mt. Vernon, Indiana, USA - 12. listopad 1928) byl americký astronom a od roku 1887 profesor astronomie na Haverford College, Swarthmore, Pensylvánie. Objevil 270 mlhovin a 9 dvojhvězd.

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