Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xii
... Nutation . Aberration Refraction . 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 ...
... Nutation . Aberration Refraction . 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 ...
Сторінка xiv
... Nutation . Prin- ciple of forced vibrations - 378 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular variations . Geometrical expression of ...
... Nutation . Prin- ciple of forced vibrations - 378 CHAPTER XIII . THEORY OF THE AXES , PERIHELIA , AND EXCENTRICITIES . Variation of elements in general . Distinction between periodic and secular variations . Geometrical expression of ...
Сторінка 176
... NUTATION . - ABERRATION.REFRACTION . - PARALLAX . - SUMMARY VIEW OF THE URANOGRAPHICAL CORRECTIONS . ( 290. ) THE determination of the relative situations of objects in the heavens , and the construction of maps and globes which shall ...
... NUTATION . - ABERRATION.REFRACTION . - PARALLAX . - SUMMARY VIEW OF THE URANOGRAPHICAL CORRECTIONS . ( 290. ) THE determination of the relative situations of objects in the heavens , and the construction of maps and globes which shall ...
Сторінка 193
... nutation of the earth's axis is a small and slow subordinate gyratory movement , by which , if subsisting alone , the pole would describe among the stars , in a period of about nineteen years , a minute ellipsis , having its longer axis ...
... nutation of the earth's axis is a small and slow subordinate gyratory movement , by which , if subsisting alone , the pole would describe among the stars , in a period of about nineteen years , a minute ellipsis , having its longer axis ...
Сторінка 194
... nutation , or the apparent right ascension , which , being reckoned from the actual place of the vernal equinox , is affected by the periodical advance and recess of the equinoctial point pro- duced by nutation - and so of the other ...
... nutation , or the apparent right ascension , which , being reckoned from the actual place of the vernal equinox , is affected by the periodical advance and recess of the equinoctial point pro- duced by nutation - and so of the other ...
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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.