Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xv
... resulting in the discovery of Neptune - Page 454 PART III . OF SIDEREAL ASTRONOMY . CHAPTER XV . Of the fixed stars . Their classification by magnitudes . Photometric scale of magnitudes ... result . Principles on which the CONTENTS . XV.
... resulting in the discovery of Neptune - Page 454 PART III . OF SIDEREAL ASTRONOMY . CHAPTER XV . Of the fixed stars . Their classification by magnitudes . Photometric scale of magnitudes ... result . Principles on which the CONTENTS . XV.
Сторінка xvi
John Frederick William Herschel. in giving the same result . Principles on which the investigation of the solar motion depends . Absolute velocity of the Sun's motion . Supposed revolution of the whole sidereal system round a common ...
John Frederick William Herschel. in giving the same result . Principles on which the investigation of the solar motion depends . Absolute velocity of the Sun's motion . Supposed revolution of the whole sidereal system round a common ...
Сторінка 22
... result of an attempt to ascertain the earth's magnitude ; and it will not be amiss , if we take advantage of it to compare it with objects we have been accustomed to consider as of vast size , so as to interpose a few steps between it ...
... result of an attempt to ascertain the earth's magnitude ; and it will not be amiss , if we take advantage of it to compare it with objects we have been accustomed to consider as of vast size , so as to interpose a few steps between it ...
Сторінка 29
... result , is one of the most important and indispensable of all astronomical tables , since it is only by the use of such a table wc are enabled to get rid of an illusion which must otherwise pervert all our notions re- specting the ...
... result , is one of the most important and indispensable of all astronomical tables , since it is only by the use of such a table wc are enabled to get rid of an illusion which must otherwise pervert all our notions re- specting the ...
Сторінка 51
... results , of his change of distance from them arising from his change of place , although that difference may be so ... result such as has been already stated . Hence it follows , incontrovertibly , that the distance of the stars from ...
... results , of his change of distance from them arising from his change of place , although that difference may be so ... result such as has been already stated . Hence it follows , incontrovertibly , that the distance of the stars from ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
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.