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Artikel-Nr. 17921116

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  • Hector MacPherson
  • Herschel (Classic Reprint) 

    Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!

    Lieferstatus:   i.d.R. innert 5-10 Tagen versandfertig
    Veröffentlichung:  Juni 2015  
    Genre:  Naturwissensch., Medizin, Technik 
    ISBN:  9781330108321 
    Verlag:  Forgotten Books 
    Einband:  Kartoniert  
    Sprache:  English  
    Dimensionen:  H 229 mm / B 152 mm / D 5 mm 
    Gewicht:  131 gr 
    Seiten:  88 
    Zus. Info:  23:B&W 6 x 9 in or 229 x 152 mm Perfect Bound on White w/Gloss Lam 
    Bewertung: Titel bewerten / Meinung schreiben
    Excerpt from Herschel

    Lemonnier, and other astronomers in France and by Bode in Germany. Efforts were made to calculate its orbit, on the assumption that it actually was a cometary body. Orbits were calculated by Mechain, De Saron, Laplace, and others. These efforts were fruitless. On 8th May De Saron announced that the comet was much more distant from the Sun than had been supposed. Laplace independently reached a similar conclusion. Meanwhile, Lexell, the St. Petersburg mathematician, who happened to be in England when the discovery was made, informed the St. Petersburg Acad emy that the Object discovered by the Bath musician was probably not a comet at all, but an exterior planet, revolving at twice the distance Of Saturn, thus confirming Maskelyne's sagacious surmise. Later it transpired that the planet had been observed no fewer than seventeen times between 1690 and 1781 by able observers such as Flamsteed, Bradley, Lemonnier, and Meyer, all of whom failed to differentiate it from an ordinary star, either in regard to its appearance or its motion. Lemonnier, indeed, had the discovery almost within his grasp, for he observed the planet on four consecutive days ih January, 1769, but his carelessness robbed him Of the distinction of detecting a new celestial body.

    About the Publisher

    Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at

    This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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