Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 sider |
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Side viii
... period entertained had I not succeeded in the interim in getting clear of them as to the compatibility of my views ... Julian reformation of the calendar , of which I viii PREFACE .
... period entertained had I not succeeded in the interim in getting clear of them as to the compatibility of my views ... Julian reformation of the calendar , of which I viii PREFACE .
Side xvi
... Julian Calendar . Irregularities at its first introduction . Reformed by Augustus . Gregorian reformation . Solar and lunar cycles . Indiction . Julian period . Table of Chrono- logical eras . Rules for calculating the days elapsed ...
... Julian Calendar . Irregularities at its first introduction . Reformed by Augustus . Gregorian reformation . Solar and lunar cycles . Indiction . Julian period . Table of Chrono- logical eras . Rules for calculating the days elapsed ...
Side 622
... JULIAN CALENDAR . - - INCOMMENSURABILITY HOW OB- IRREGULARITIES AT ITS -- GREGORIAN - INDICTION . - RULES REFORMED BY AUGUSTUS . SOLAR AND LUNAR CYCLES . FIRST INTRODUCTION . REFORMATION . - ― JULIAN PERIOD . TABLE OF CHRONOLOGICAL ERAS ...
... JULIAN CALENDAR . - - INCOMMENSURABILITY HOW OB- IRREGULARITIES AT ITS -- GREGORIAN - INDICTION . - RULES REFORMED BY AUGUSTUS . SOLAR AND LUNAR CYCLES . FIRST INTRODUCTION . REFORMATION . - ― JULIAN PERIOD . TABLE OF CHRONOLOGICAL ERAS ...
Side 632
... Julian system so interpreted . ( 920. ) Different nations in different ages of the world have of course reckoned ... period , a cycle of 7980 Julian years , to understand the origin of which , we must explain that of three subordinate ...
... Julian system so interpreted . ( 920. ) Different nations in different ages of the world have of course reckoned ... period , a cycle of 7980 Julian years , to understand the origin of which , we must explain that of three subordinate ...
Side 633
... Julian years of 365 days only by about an hour and a half , so that , supposing the new moon to happen on the first of January , in the first year of the cycle , it will happen on that day ( or within a very short time of its beginning ...
... Julian years of 365 days only by about an hour and a half , so that , supposing the new moon to happen on the first of January , in the first year of the cycle , it will happen on that day ( or within a very short time of its beginning ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Uten tilgangsbegrensning - 1851 |
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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.