Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page 8
... evident that our aim is not to offer to the public a technical treatise , in which the student of practical or theoretical astronomy shall find consigned the minute description of methods of observation , or the formulæ he requires ...
... evident that our aim is not to offer to the public a technical treatise , in which the student of practical or theoretical astronomy shall find consigned the minute description of methods of observation , or the formulæ he requires ...
Page 12
... evident , that , to form any just notions of the arrangement , in space , of a number of objects which we can- not approach and examine , but of which all the information we can gain is by sitting still and watching their evolutions ...
... evident , that , to form any just notions of the arrangement , in space , of a number of objects which we can- not approach and examine , but of which all the information we can gain is by sitting still and watching their evolutions ...
Page 13
... evident , subsist undetected by us . There is no peculiar sensation which advertises us that we are in motion . We perceive jerks , or shocks , it is true , because these are sudden changes of motion , produced , as the laws of ...
... evident , subsist undetected by us . There is no peculiar sensation which advertises us that we are in motion . We perceive jerks , or shocks , it is true , because these are sudden changes of motion , produced , as the laws of ...
Page 17
... evident , 1st , that as the point M is more elevated above m , the point immediately below it on the sphere , the visible area , i . e . the spherical segment or slice NOPQ , increases ; 2dly , that the distance of the visible horizon ...
... evident , 1st , that as the point M is more elevated above m , the point immediately below it on the sphere , the visible area , i . e . the spherical segment or slice NOPQ , increases ; 2dly , that the distance of the visible horizon ...
Page 17
... evident , 1st , that as the point M is more elevated above m , the point immediately below it on the sphere , the visible area , i . e . the spherical segment or slice N O P Q , increases ; 2dly , that the distance of the visible ...
... evident , 1st , that as the point M is more elevated above m , the point immediately below it on the sphere , the visible area , i . e . the spherical segment or slice N O P Q , increases ; 2dly , that the distance of the visible ...
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Common terms and phrases
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.