Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка 13
... successively lifted and let fall , but we have no sense of progress . As the road is smoother , our sense of motion is diminished , though our rate of travelling is accelerated . Railway travelling , especially by night or in a tunnel ...
... successively lifted and let fall , but we have no sense of progress . As the road is smoother , our sense of motion is diminished , though our rate of travelling is accelerated . Railway travelling , especially by night or in a tunnel ...
Сторінка 14
... through the substance of the earth . It must , therefore , have gone under it , and that not by a mere subterraneous channel ; for if we notice the points where it sets and rises for many successive days , or for 14 OUTLINES OF ASTRONOMY .
... through the substance of the earth . It must , therefore , have gone under it , and that not by a mere subterraneous channel ; for if we notice the points where it sets and rises for many successive days , or for 14 OUTLINES OF ASTRONOMY .
Сторінка 15
John Frederick William Herschel. sets and rises for many successive days , or for a whole year , we shall find them constantly shifting , round a very large extent of the horizon ; and , besides , the moon and stars also set and rise ...
John Frederick William Herschel. sets and rises for many successive days , or for a whole year , we shall find them constantly shifting , round a very large extent of the horizon ; and , besides , the moon and stars also set and rise ...
Сторінка 17
... successively into the positions MOo , MP p , M Q q , the point of contact N will mark out on the 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 ...
... successively into the positions MOo , MP p , M Q q , the point of contact N will mark out on the 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 ...
Сторінка 17
... successively into the positions MO o , MPp , M Qq , the point of contact N will mark out on the surface the circle NOPQ . The area of the spherical surface compreB 10 C 2 M D " Opigw , to terminate , F A hended within this circle is the ...
... successively into the positions MO o , MPp , M Qq , the point of contact N will mark out on the surface the circle NOPQ . The area of the spherical surface compreB 10 C 2 M D " Opigw , to terminate , F A hended within this circle is the ...
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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.