Outlines of astronomy |
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Page xix
... motion . Relative motion . Motions partly real , partly apparent . Geocentric astronomy , or ideal reference of phænomena to the Earth's centre as a common conventional station 10 CHAPTER II . Terminology and elementary geometrical ...
... motion . Relative motion . Motions partly real , partly apparent . Geocentric astronomy , or ideal reference of phænomena to the Earth's centre as a common conventional station 10 CHAPTER II . Terminology and elementary geometrical ...
Page xx
... MOTION . Apparent motion of the Sun not uniform . Its apparent diameter also variable . Variation of its distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas ...
... MOTION . Apparent motion of the Sun not uniform . Its apparent diameter also variable . Variation of its distance concluded . Its apparent orbit an ellipse about the focus . Law of the angular velocity . Equable description of areas ...
Page xxi
... motion CHAPTER IX . OF THE SOLAR SYSTEM . - 290 Apparent motions of the planets . The stations and retrogradations . The Sun their natural center of motion . Inferior planets . Their phases , periods , etc. Dimensions and form of their ...
... motion CHAPTER IX . OF THE SOLAR SYSTEM . - 290 Apparent motions of the planets . The stations and retrogradations . The Sun their natural center of motion . Inferior planets . Their phases , periods , etc. Dimensions and form of their ...
Page xxiii
... motion . Interpretation of the constant part of these ine- qualities . Annual equation of the Moon . Her secular ... motion of the stars . Partly accounted for by a real motion of the Sun. Situa- tion of the solar apex . Agreement of ...
... motion . Interpretation of the constant part of these ine- qualities . Annual equation of the Moon . Her secular ... motion of the stars . Partly accounted for by a real motion of the Sun. Situa- tion of the solar apex . Agreement of ...
Page xxiv
... motion depends . Supposed revolution of the Principles on which the investigation of Absolute velocity of the Sun's motion . whole sidereal system round a common centre . Systematic parallax and aberration . Effect of the motion of ...
... motion depends . Supposed revolution of the Principles on which the investigation of Absolute velocity of the Sun's motion . whole sidereal system round a common centre . Systematic parallax and aberration . Effect of the motion of ...
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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