Outlines of astronomy |
From inside the book
Results 1-5 of 100
Page xxiv
... so far as they are known IV . Elements of Periodical Comets Table of Numbers in frequent use among Astronomers INDEX · 691 693 697 - 700 - 701 - 703 OUTLINES OF ASTRONOMY . INTRODUCTION . ( 1. ) EVERY xxiv CONTENTS .
... so far as they are known IV . Elements of Periodical Comets Table of Numbers in frequent use among Astronomers INDEX · 691 693 697 - 700 - 701 - 703 OUTLINES OF ASTRONOMY . INTRODUCTION . ( 1. ) EVERY xxiv CONTENTS .
Page 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 ...
Page 22
... 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 ...
Page 23
... known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently , on a globe of sixteen inches in diameter , such a mountain would be represented by a protuberance of no ...
... known hardly exceeds five miles in perpendicular elevation : this is only one 1600th part of the earth's diameter ; consequently , on a globe of sixteen inches in diameter , such a mountain would be represented by a protuberance of no ...
Page 43
... known by its configuration with a very splendid and re- markable constellation or group of stars , called by astronomers the GREAT BEAR . ( 60. ) He will further observe , that the apparent relative situations of all the stars among one ...
... known by its configuration with a very splendid and re- markable constellation or group of stars , called by astronomers the GREAT BEAR . ( 60. ) He will further observe , that the apparent relative situations of all the stars among one ...
Other editions - View all
Common terms and phrases
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period 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 phænomena planet planetary pole portion position precession proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole zenith