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 4
... greater distance from the earth and sun than others . The remarkable comet of 1729 never approached nearer to the sun than four times the earth's mean distance from that luminary , yet it was seen without any great optical aid for ...
... greater distance from the earth and sun than others . The remarkable comet of 1729 never approached nearer to the sun than four times the earth's mean distance from that luminary , yet it was seen without any great optical aid for ...
Page 7
... greater number of instances , it exhibits nothing more than a higher degree of condensation of the nebulous matter , which always has a confused appearance in the telescope . Occasionally a low magnifying power will afford evidence of ...
... greater number of instances , it exhibits nothing more than a higher degree of condensation of the nebulous matter , which always has a confused appearance in the telescope . Occasionally a low magnifying power will afford evidence of ...
Page 15
... greater or less degree in other cases . Another curious phenomenon occasionally observed in the tails of comets is a curvature of the extremity , or of a greater or less portion , so as to give the whole train the form of a sabre . The ...
... greater or less degree in other cases . Another curious phenomenon occasionally observed in the tails of comets is a curvature of the extremity , or of a greater or less portion , so as to give the whole train the form of a sabre . The ...
Page 21
... greater extent . The great comets of 1680 and 1811 had trains considerably more than 100,000,000 miles long ; and the second of the latter year was accompanied by a tail 130,000,000 miles in length . Even these comets , however , were ...
... greater extent . The great comets of 1680 and 1811 had trains considerably more than 100,000,000 miles long ; and the second of the latter year was accompanied by a tail 130,000,000 miles in length . Even these comets , however , were ...
Page 25
... greater part of its length , a curvature of the extremity being only occasionally seen , and probably attributable to the failure of the repulsive force , and the gradual effect of a resisting medium upon these distant and extremely ...
... greater part of its length , a curvature of the extremity being only occasionally seen , and probably attributable to the failure of the repulsive force , and the gradual effect of a resisting medium upon these distant and extremely ...
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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 least distance 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 right ascension Rome Rümker Second Edition Sept September Struve sun's tail tions Tycho Brahe Ursa Major Verrier Vico