Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xi
... parallax . That of the stars insensible . First step towards forming an idea of the distance of the stars . Copernican view of the Earth's motion . Relative motion . Motions partly real , partly apparent . Geocentric astronomy , or ...
... parallax . That of the stars insensible . First step towards forming an idea of the distance of the stars . Copernican view of the Earth's motion . Relative motion . Motions partly real , partly apparent . Geocentric astronomy , or ...
Сторінка xii
... Parallax . Summary view of the uranographical cor- rections - 176 - CHAPTER VI . OF THE SUN'S MOTION . Apparent motion of the Sun not uniform . Its apparent diameter also variable . Variation of its distance concluded . Its apparent ...
... Parallax . Summary view of the uranographical cor- rections - 176 - CHAPTER VI . OF THE SUN'S MOTION . Apparent motion of the Sun not uniform . Its apparent diameter also variable . Variation of its distance concluded . Its apparent ...
Сторінка xv
... parallax . Parallactic unit of sidereal distance . Effect of parallax analogous to that of aberration . How distinguished from it . Detection of paral- lax by meridional observations . Henderson's application to a cen- tauri . By ...
... parallax . Parallactic unit of sidereal distance . Effect of parallax analogous to that of aberration . How distinguished from it . Detection of paral- lax by meridional observations . Henderson's application to a cen- tauri . By ...
Сторінка xvi
... parallax and aberration . Effect of the motion of light in altering the apparent period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups of stars . Globular clusters . Their stability ...
... parallax and aberration . Effect of the motion of light in altering the apparent period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups of stars . Globular clusters . Their stability ...
Сторінка 49
... parallax becomes insensible ; or , in other words , objects do not appear to vary in situation at all . It is on this principle , that in alpine regions visited for the first time we are sur- prised and confounded at the little progress ...
... parallax becomes insensible ; or , in other words , objects do not appear to vary in situation at all . It is on this principle , that in alpine regions visited for the first time we are sur- prised and confounded at the little progress ...
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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.