Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xii
... cause of the spots . Atmosphere of the Sun. Its supposed clouds . Temperature at its surface . Its expenditure of heat . Ter- restrial effects of solar radation CHAPTER VII . - 205 Of the Moon . Its sidereal period . Its apparent ...
... cause of the spots . Atmosphere of the Sun. Its supposed clouds . Temperature at its surface . Its expenditure of heat . Ter- restrial effects of solar radation CHAPTER VII . - 205 Of the Moon . Its sidereal period . Its apparent ...
Сторінка 11
... cause and effect , could not exist , but must be limited to a mere registry of appearances , unconnected with any attempt to account for them on reasonable principles , however successful to a certain extent might be the attempt to ...
... cause and effect , could not exist , but must be limited to a mere registry of appearances , unconnected with any attempt to account for them on reasonable principles , however successful to a certain extent might be the attempt to ...
Сторінка 29
... cause of embarrassment , except in the most delicate inquiries , and to call for no further allusion in a treatise like the present . ( 42. ) A " Table of Refractions , " as it is called , or a state- ment of the amount of apparent ...
... cause of embarrassment , except in the most delicate inquiries , and to call for no further allusion in a treatise like the present . ( 42. ) A " Table of Refractions , " as it is called , or a state- ment of the amount of apparent ...
Сторінка 33
... causes as the twilight . Were it not for the reflective and scattering power of the atmosphere , no objects would be ... caused by the same luminary in its different parts , which , during the daytime , throws it into a constant state of ...
... causes as the twilight . Were it not for the reflective and scattering power of the atmosphere , no objects would be ... caused by the same luminary in its different parts , which , during the daytime , throws it into a constant state of ...
Сторінка 50
... cause of distortion shall act equally on both , ) manifest not the slightest perceptible va- riation . Not only this , but at whatever point of the earth's surface the measurement is performed , the results are abso- lutely identical ...
... cause of distortion shall act equally on both , ) manifest not the slightest perceptible va- riation . Not only this , but at whatever point of the earth's surface the measurement is performed , the results are abso- lutely identical ...
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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.