Books in Browsing: Science - Astronomy (sorted by popularity)
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The Ways of the Planets Martha Evans Martin 105 downloads
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Flowers of the Sky Richard A. Proctor 102 downloads
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Significant Achievements in Space Bioscience 1958-1964 United States. National Aeronautics and Space Administration 100 downloads
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The Dominion Astrophysical Observatory, Victoria, B.C. J. S. Plaskett 99 downloads
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Mars and Its Mystery Edward Sylvester Morse 98 downloads
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Galileo and His Judges F. R. Wegg-Prosser 98 downloads
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Die Milchstraße (German) Fritz Kahn 97 downloads
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The Study of Astronomy, adapted to the capacities of youth teacher of astronomy John Stedman 97 downloads
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Photographic investigations of faint nebulae Edwin Hubble 96 downloads
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On the Construction of a Silvered Glass Telescope Henry Draper 94 downloads
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The proceedings of the Canadian Eclipse Party, 1869 E. D. Ashe 93 downloads
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Stargazing: Past and Present Sir Norman Lockyer 90 downloads
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Astronomy for Young Australians James Bonwick 89 downloads
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A Plan for Securing Observations of the Variable Stars Edward C. Pickering 86 downloads
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Über die Vulkane im Monde (German) Immanuel Kant 86 downloads
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Komet und Erde: Eine astronomische Erzählung (German) Camille Flammarion 83 downloads
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Komet und Weltuntergang (German) Wilhelm Bölsche 82 downloads
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Stellar Evolution and Its Relations to Geological Time James Croll 82 downloads
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New Theories in Astronomy William Stirling 76 downloads
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Publications of the Astronomical Society of the Pacific, Volume 1 Astronomical Society of the Pacific 68 downloads
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Jorden och solsystemet : Några blad ur historien om vetenskapens strider (Swedish) Karl Bohlin 67 downloads
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Scientific Papers by Sir George Howard Darwin. Volume V. Supplementary Volume Sir George Howard Darwin 56 downloads