Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xiii
... periods , etc. Dimensions and form of their orbits . Transits across the Sun. Superior planets . Their distances , periods , etc. Kepler's laws and their interpretation . Elliptic elements of a planet's orbit . Its heliocentric and ...
... periods , etc. Dimensions and form of their orbits . Transits across the Sun. Superior planets . Their distances , periods , etc. Kepler's laws and their interpretation . Elliptic elements of a planet's orbit . Its heliocentric and ...
Сторінка xvi
... period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups of stars . Globular clusters . Their stability dyna- mically possible . List of the most remarkable . Classification of nebulæ and ...
... period of a binary star CHAPTER XVII . OF CLUSTERS OF STARS AND NEBULÆ . - Page 554 Of clustering groups of stars . Globular clusters . Their stability dyna- mically possible . List of the most remarkable . Classification of nebulæ and ...
Сторінка 1
... period of life , will find not only that he has much to learn , but much also to un- learn . Familiar objects and events are far from presenting themselves to our senses in that aspect and with those con- nections under which science ...
... period of life , will find not only that he has much to learn , but much also to un- learn . Familiar objects and events are far from presenting themselves to our senses in that aspect and with those con- nections under which science ...
Сторінка 84
... period , viz . a day , or 24 hours . But no sooner do we come to examine the matter instrumentally , i . e . by noting , by time- keepers , their successive arrivals on the meridian , than we find differences which cannot be accounted ...
... period , viz . a day , or 24 hours . But no sooner do we come to examine the matter instrumentally , i . e . by noting , by time- keepers , their successive arrivals on the meridian , than we find differences which cannot be accounted ...
Сторінка 155
... period , and if not , can ascertain and allow for its rate . Thus , although his clock may not , and indeed cannot , either be set correctly , or go truly , yet by applying its error and rate ( as they are technically termed ) , he can ...
... period , and if not , can ascertain and allow for its rate . Thus , although his clock may not , and indeed cannot , either be set correctly , or go truly , yet by applying its error and rate ( as they are technically termed ) , he can ...
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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.