The Comets: A Descriptive Treatise Upon Those Bodies. With a Condensed Account of the Numerous Modern Discoveries Respecting Them; and a Table of All the Calculated Comets, from the Earliest Ages to the Present Time |
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Page 3
... telescope was not much employed in searching out these objects before the middle of the eighteenth century , the ... telescopes to assist them . A considerable number of comets have doubtless appeared in past times in the southern ...
... telescope was not much employed in searching out these objects before the middle of the eighteenth century , the ... telescopes to assist them . A considerable number of comets have doubtless appeared in past times in the southern ...
Page 4
... telescopes at several observatories in this country , till it had receded to nearly three times that distance . In both these in- stances the comet's distance from the sun was equally great . Many of these bodies , on the contrary ...
... telescopes at several observatories in this country , till it had receded to nearly three times that distance . In both these in- stances the comet's distance from the sun was equally great . Many of these bodies , on the contrary ...
Page 5
... telescope , the others have all been followed with optical aid . That of 1835 was predicted , and therefore discovered much sooner than it is probable it otherwise would have been . In several cases the comets have not remained visible ...
... telescope , the others have all been followed with optical aid . That of 1835 was predicted , and therefore discovered much sooner than it is probable it otherwise would have been . In several cases the comets have not remained visible ...
Page 7
... telescope . Occasionally a low magnifying power will afford evidence of the existence of a stellar nucleus , but , on applying higher magnifiers , this appearance vanishes , the light towards the centre being merely of greater intensity ...
... telescope . Occasionally a low magnifying power will afford evidence of the existence of a stellar nucleus , but , on applying higher magnifiers , this appearance vanishes , the light towards the centre being merely of greater intensity ...
Page 9
... telescope at noon - day , and some persons were able to follow it without optical aid for a considerable time after sunrise . The first comet of 1847 , discovered by the author , was seen for some hours about two degrees from the sun's ...
... telescope at noon - day , and some persons were able to follow it without optical aid for a considerable time after sunrise . The first comet of 1847 , discovered by the author , was seen for some hours about two degrees from the sun's ...
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The Comets - A Descriptive Treatise Upon Those Bodies, with a Condensed ... John Russell Hind No preview available - 2011 |
Common terms and phrases
amongst the stars Aphelion appearance April arrival at perihelion astronomers August Author axis Berlin Biela bodies Bouvard bright Brorsen Burckhardt calculated Cambridge century Chinese observations Clausen Collegio Romano comet discovered comet observed Comet of Encke comet of Halley comet was observed computed constellation D'Arrest December detected diameter Discovered by Pons earth elements epoch exhibited February Gambart grand comet Greenwich Mean Halley's comet heavens Herschel Hevelius Hind History identity Isle of Bourbon January John Herschel July June Jupiter Königsberg Laugier length Lexell March Marseilles Mechain miles month motion naked eye nebulosity November nucleus numbers observatory observed in Europe Octavo October Olbers Ophiuchus parabolic Paris path perihelion distance perihelion passage period of revolution periodical comet perturbations Peter Apian Pingré planetary probable Professor Encke remarkable comet right ascension Rome Rümker Second Edition Sept September Struve sun's tail tions Tycho Brahe Ursa Major Verrier Vico
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