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 26
... determined . On the 1st of July it was distant from the Earth only 363 ter- restrial semidiameters or 1,438,000 miles . The great comets of 837 , 1402 , and 1472 , must have come within . a very short distance from our globe , and ...
... determined . On the 1st of July it was distant from the Earth only 363 ter- restrial semidiameters or 1,438,000 miles . The great comets of 837 , 1402 , and 1472 , must have come within . a very short distance from our globe , and ...
Page 30
... determined with a greater or less degree of accuracy , according to the goodness or otherwise of the observations . Out of this number there are thirty - three which appeared before the end of the sixteenth century , and were chiefly ...
... determined with a greater or less degree of accuracy , according to the goodness or otherwise of the observations . Out of this number there are thirty - three which appeared before the end of the sixteenth century , and were chiefly ...
Page 32
... June 1. The accuracy of this method depends mainly upon the judgment exercised by the calculator in shortening his intervals , so as to determine the amount of the diurnal variations with sufficient fre- quency ; 32 THE COMETS .
... June 1. The accuracy of this method depends mainly upon the judgment exercised by the calculator in shortening his intervals , so as to determine the amount of the diurnal variations with sufficient fre- quency ; 32 THE COMETS .
Page 38
... determined the orbits of the comets of 1531 and 1607 , he was immediately struck with their similarity , and suspected , from the like situation of their planes and perihelions , that the comets which appeared in the years 1531 , 1607 ...
... determined the orbits of the comets of 1531 and 1607 , he was immediately struck with their similarity , and suspected , from the like situation of their planes and perihelions , that the comets which appeared in the years 1531 , 1607 ...
Page 39
... determination of the disturbances produced by these planets ; and having devised a method which appeared to possess all needful accu- racy , he commenced , in conjunction with the cele- brated Lalande and a lady , Madame Lepaute , the ...
... determination of the disturbances produced by these planets ; and having devised a method which appeared to possess all needful accu- racy , he commenced , in conjunction with the cele- brated Lalande and a lady , Madame Lepaute , the ...
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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