Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xii
... surface . Statical and dynamical measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds . Determination of geographical positions of latitudes — of longitudes . Conduct of a ...
... surface . Statical and dynamical measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds . Determination of geographical positions of latitudes — of longitudes . Conduct of a ...
Сторінка xiii
... surface . Rotation on its own axis . Libration . Appearance of the Earth from it CHAPTER VIII . - Page 239 Of terrestrial gravity . Of the law of universal gravitation . Paths of projectiles , apparent , real . The Moon retained in her ...
... surface . Rotation on its own axis . Libration . Appearance of the Earth from it CHAPTER VIII . - Page 239 Of terrestrial gravity . Of the law of universal gravitation . Paths of projectiles , apparent , real . The Moon retained in her ...
Сторінка 15
... surface laterally ; it must have not only bounds in a horizontal direction , but also an under side round which the sun , moon , and stars can pass ; and that side must , at least , be so far like what we see , that it must have a sky ...
... surface laterally ; it must have not only bounds in a horizontal direction , but also an under side round which the sun , moon , and stars can pass ; and that side must , at least , be so far like what we see , that it must have a sky ...
Сторінка 16
... surface , while yet the absolute quantity of it seen at once has been increased . ( 21. ) The same appearances are observed universally , in every part of the earth's surface visited by man . Now , the figure of a body which , however ...
... surface , while yet the absolute quantity of it seen at once has been increased . ( 21. ) The same appearances are observed universally , in every part of the earth's surface visited by man . Now , the figure of a body which , however ...
Сторінка 17
... surface the circle NOPQ . The area of the spherical surface compre- 2 M B F A k K G hended within this circle is the portion of the earth's surface visible to a spectator at M , and the angle N M Q included between the two extreme ...
... surface the circle NOPQ . The area of the spherical surface compre- 2 M B F A k K G hended within this circle is the portion of the earth's surface visible to a spectator at M , and the angle N M Q included between the two extreme ...
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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.