 | Herbert Hall Turner - 1904 - 272 pàgines
...tracked out in a region of the sky far removed from its original position? The first application of this method was made in the month of October 1801, and the first clear night, when the planet was looked for by the help of the ephemeris I had made, revealed the truant to the observer. Three new... | |
 | John M. Lewis, S. Lakshmivarahan, Sudarshan Dhall - 2006 - 601 pàgines
...described a geocentric arc of only 3 degrees, and after the lapse of a year must be looked for in the region of the heavens very remote from that in which...first clear night, when the planet was sought for as deduced by the numbers deduced from it, restored the fugitive to observation. (Gauss 1963, xv) Brief... | |
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Piazzif from the above date to the eleventh of February were published. Nowhere in the annals of astronomy do we meet with so great an opportunity, and a greater one could hardly be imagined, for showing most strikingly, the value of this problem, than... 