Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xi
... celestial sphere . Celestial perspective 57 CHAPTER I. of the nature of astronomical instruments and observations in general . Of sidereal and solar time . Of the measurements of time . Clocks , chronometers . Of astronomical ...
... celestial sphere . Celestial perspective 57 CHAPTER I. of the nature of astronomical instruments and observations in general . Of sidereal and solar time . Of the measurements of time . Clocks , chronometers . Of astronomical ...
Сторінка xii
... celestial maps and globes by observations of right ascen- sion and declination . Celestial objects distinguished into fixed and erratic . Of the constellations . Natural regions in the heavens . The Milky Way . The Zodiac . Of the ...
... celestial maps and globes by observations of right ascen- sion and declination . Celestial objects distinguished into fixed and erratic . Of the constellations . Natural regions in the heavens . The Milky Way . The Zodiac . Of the ...
Сторінка 11
... celestial bodies , the earth itself , regarded as an individual body , is one principal object of the astronomer's consideration , and , indeed , the chief of all . It derives its importance , in a practical as well as theoretical sense ...
... celestial bodies , the earth itself , regarded as an individual body , is one principal object of the astronomer's consideration , and , indeed , the chief of all . It derives its importance , in a practical as well as theoretical sense ...
Сторінка 28
... celestial object at any assigned altitude , HA S , is raised in appearance above its true place , is , unfortunately , a very difficult subject of physical inquiry , and one on which geometers ( from whom alone we can look for any ...
... celestial object at any assigned altitude , HA S , is raised in appearance above its true place , is , unfortunately , a very difficult subject of physical inquiry , and one on which geometers ( from whom alone we can look for any ...
Сторінка 29
... celestial motions . Such have been , accordingly , constructed with great care , and are to be found in every collection of astronomical tables . Our design , in the present treatise , will not admit of the introduction of tables ; and ...
... celestial motions . Such have been , accordingly , constructed with great care , and are to be found in every collection of astronomical tables . Our design , in the present treatise , will not admit of the introduction of tables ; and ...
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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.