Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page v
... former volume , but to remodel it altogether ( though in complete accordance with its original design as a work of ex- planation ) ; to introduce much new matter in the earlier portions of it ; to re - write , upon a far more matured ...
... former volume , but to remodel it altogether ( though in complete accordance with its original design as a work of ex- planation ) ; to introduce much new matter in the earlier portions of it ; to re - write , upon a far more matured ...
Page 34
... exactly the same , and the moon a materially less angle , than when seen at a great alti- tude in the sky , owing to its greater distance from us in the former situation as compared with the latter , as will 34 OUTLINES OF ASTRONOMY .
... exactly the same , and the moon a materially less angle , than when seen at a great alti- tude in the sky , owing to its greater distance from us in the former situation as compared with the latter , as will 34 OUTLINES OF ASTRONOMY .
Page 35
John Frederick William Herschel. former situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we ...
John Frederick William Herschel. former situation as compared with the latter , as will be ex- plained farther on . ( 48. ) After what has been said of the small extent of the atmosphere in comparison with the mass of the earth , we ...
Page 38
... former case , he will see every part , but , in the latter , only that portion of it which remains constantly opposite to him , and immediately under his eye . ( 53. ) By such a rotation of the earth , then , as we have supposed , the ...
... former case , he will see every part , but , in the latter , only that portion of it which remains constantly opposite to him , and immediately under his eye . ( 53. ) By such a rotation of the earth , then , as we have supposed , the ...
Page 52
... former , and co - extensive with it , to pass ; these , although separated throughout their whole extent by the same interval , viz . a semidiameter of the earth , will yet , on account of the vast distance at which that interval is ...
... former , and co - extensive with it , to pass ; these , although separated throughout their whole extent by the same interval , viz . a semidiameter of the earth , will yet , on account of the vast distance at which that interval is ...
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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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Page 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.