Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 sider |
Inni boken
Resultat 1-5 av 100
Side xv
... known . Irre- gularities in their periods and lustre when brightest . Irregular and temporary stars . Ancient Chinese records of several . Missing stars . Double stars . Their classification . Specimens of each class . Binary systems ...
... known . Irre- gularities in their periods and lustre when brightest . Irregular and temporary stars . Ancient Chinese records of several . Missing stars . Double stars . Their classification . Specimens of each class . Binary systems ...
Side xvi
... Orbits of the Satellites , so far as they are known · IV . Elements of Periodical Comets at their last Appearance INDEX 622 - 645 - 647 649 - 652 - 653 OUTLINES OF ASTRONOMY . INTRODUCTION . ( 1. ) EVERY xvi CONTENTS .
... Orbits of the Satellites , so far as they are known · IV . Elements of Periodical Comets at their last Appearance INDEX 622 - 645 - 647 649 - 652 - 653 OUTLINES OF ASTRONOMY . INTRODUCTION . ( 1. ) EVERY xvi CONTENTS .
Side 3
... known . The moderate limit of a single volume , to which it will be confined , and the necessity of being on every point , within that limit , rather diffuse and copious in explanation , as well as the eminently matured and ascertained ...
... known . The moderate limit of a single volume , to which it will be confined , and the necessity of being on every point , within that limit , rather diffuse and copious in explanation , as well as the eminently matured and ascertained ...
Side 10
... known to us , with their mutual influences and actions on each other , so far as they can be traced by the effects produced , and established by legitimate reasoning , form the assemblage of objects to which the attention of the ...
... known to us , with their mutual influences and actions on each other , so far as they can be traced by the effects produced , and established by legitimate reasoning , form the assemblage of objects to which the attention of the ...
Side 21
... known , as well as their exact horizontal interval a Db , by measurement ; then it is clear that D , the visible horizon of both , will lie just half - way between them , and if we sup- pose a Db to be the sphere of the earth , and C ...
... known , as well as their exact horizontal interval a Db , by measurement ; then it is clear that D , the visible horizon of both , will lie just half - way between them , and if we sup- pose a Db to be the sphere of the earth , and C ...
Andre utgaver - Vis alle
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.