Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка 634
... period . As none of the three numbers in question have any common factor , it is evident that no two years in the same compound period can agree in all the three particulars : so that to specify ... Julian Period 634 OUTLINES OF ASTRONOMY .
... period . As none of the three numbers in question have any common factor , it is evident that no two years in the same compound period can agree in all the three particulars : so that to specify ... Julian Period 634 OUTLINES OF ASTRONOMY .
Сторінка 635
... Julian period Names by which the Era is usually cited . Julian Epochs . Creation of the world ( Usher ) First Day current of the Era . Chronological Current Year Designation of the Julian of the Year . Period . Interval Days . Julian ...
... Julian period Names by which the Era is usually cited . Julian Epochs . Creation of the world ( Usher ) First Day current of the Era . Chronological Current Year Designation of the Julian of the Year . Period . Interval Days . Julian ...
Сторінка 636
... Julian period , ( J. P. ) corresponding to any given year current B. C. or A. D. If B. C. , subtract the number of the year from 4714 : if A. D. , add its number to 4713. For examples , see the foregoing table . ( 929. ) To find the day ...
... Julian period , ( J. P. ) corresponding to any given year current B. C. or A. D. If B. C. , subtract the number of the year from 4714 : if A. D. , add its number to 4713. For examples , see the foregoing table . ( 929. ) To find the day ...
Сторінка 637
John Frederick William Herschel. elapsed of the Julian period , the number of which increased . by 1 gives the day current . TABLE 1. Multiples of 1461 , the days in a Julian Quadriennium . TABLE 2. Days in Residual years . 1 1461 5844 ...
John Frederick William Herschel. elapsed of the Julian period , the number of which increased . by 1 gives the day current . TABLE 1. Multiples of 1461 , the days in a Julian Quadriennium . TABLE 2. Days in Residual years . 1 1461 5844 ...
Сторінка 638
John Frederick William Herschel. the day current of the Julian period corresponding to each date , and their difference is the interval required . If the dates contain hours , minutes , and seconds , they must be annexed to their ...
John Frederick William Herschel. the day current of the Julian period corresponding to each date , and their difference is the interval required . If the dates contain hours , minutes , and seconds , they must be annexed to their ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
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angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Сторінка 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.