Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xi
... Earth's 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 ...
... Earth's 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 ...
Сторінка xiii
... Earth round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface . Disturbing effect of the Sun on the Moon's motion CHAPTER IX . OF THE SOLAR SYSTEM . · 264 ...
... Earth round the Sun in accordance with these laws . Masses of the Earth and Sun compared . Density of the Sun. Force of gravity at its surface . Disturbing effect of the Sun on the Moon's motion CHAPTER IX . OF THE SOLAR SYSTEM . · 264 ...
Сторінка 11
... earth itself , regarded as an individual body , is one principal object of the astronomer's consideration , and ... earth with the heavenly bodies , and to assume any community of nature among things apparently so different . For what ...
... earth itself , regarded as an individual body , is one principal object of the astronomer's consideration , and ... earth with the heavenly bodies , and to assume any community of nature among things apparently so different . For what ...
Сторінка 12
... earth , after all , may be nothing but a great star . How correct such an idea may be , and with what limitations and modifications it is to be admitted , we shall see presently . ( 14. ) It is evident , that , to form any just notions ...
... earth , after all , may be nothing but a great star . How correct such an idea may be , and with what limitations and modifications it is to be admitted , we shall see presently . ( 14. ) It is evident , that , to form any just notions ...
Сторінка 14
... earth as in mo- tion , we must form to ourselves a conception of its shape and size . Now , an object cannot have shape and size unless it is limited on all sides by some definite outline , so as to admit of our imagining it , at least ...
... earth as in mo- tion , we must form to ourselves a conception of its shape and size . Now , an object cannot have shape and size unless it is limited on all sides by some definite outline , so as to admit of our imagining it , at least ...
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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.