Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка v
... considered as an extension , and , it is hoped , an improvement of a treatise on the same subject , forming Part 43. of the Cabinet Cyclopædia , published in the year 1833. Its object and general character are sufficiently stated in the ...
... considered as an extension , and , it is hoped , an improvement of a treatise on the same subject , forming Part 43. of the Cabinet Cyclopædia , published in the year 1833. Its object and general character are sufficiently stated in the ...
Сторінка vi
... considered as addressed to students in that university , where the " Principia " of Newton is not , nor ever will be , put aside as an obsolete book , behind the age ; and where the grand though rude outlines of the lunar theory , as ...
... considered as addressed to students in that university , where the " Principia " of Newton is not , nor ever will be , put aside as an obsolete book , behind the age ; and where the grand though rude outlines of the lunar theory , as ...
Сторінка 26
... considered as consisting of successively superposed strata or layers , each of the form of a spherical shell , concentric with the general surface of the sea and land , and each of which is rarer , or spe- cifically lighter , than that ...
... considered as consisting of successively superposed strata or layers , each of the form of a spherical shell , concentric with the general surface of the sea and land , and each of which is rarer , or spe- cifically lighter , than that ...
Сторінка 35
... considered them while speaking of their refrac- tions as existing in the immensity of space beyond , and situated , perhaps , for any thing we can perceive to the con- trary , at enormous distances from us and from each other . - - ( 49 ...
... considered them while speaking of their refrac- tions as existing in the immensity of space beyond , and situated , perhaps , for any thing we can perceive to the con- trary , at enormous distances from us and from each other . - - ( 49 ...
Сторінка 42
... considered immoveable . Not that this point is marked by any star . It is a purely imagi- nary centre ; but there is near it one considerably bright star , called the Pole Star , which is easily recognized by the very small circle it ...
... considered immoveable . Not that this point is marked by any star . It is a purely imagi- nary centre ; but there is near it one considerably bright star , called the Pole Star , which is easily recognized by the very small circle it ...
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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.