Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
From inside the book
Results 1-5 of 100
Page 15
... 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 and sunshine , and a day when it is night to us , and vice versâ ; where , in short , “ redit à ...
... 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 and sunshine , and a day when it is night to us , and vice versâ ; where , in short , “ redit à ...
Page 19
... side is aware that objects may be seen perfectly well beyond the offing or visible horizon - but not the whole of them . We only see their upper parts . Their bases where they rest on , or rise out of the water , are hid from view by ...
... side is aware that objects may be seen perfectly well beyond the offing or visible horizon - but not the whole of them . We only see their upper parts . Their bases where they rest on , or rise out of the water , are hid from view by ...
Page 25
... sides ; or rather as an aërial ocean , of which the surface of the sea and land constitutes the bed , and whose inferior portions or strata , within a few miles of the earth , contain by far the greater part of the whole mass , the ...
... sides ; or rather as an aërial ocean , of which the surface of the sea and land constitutes the bed , and whose inferior portions or strata , within a few miles of the earth , contain by far the greater part of the whole mass , the ...
Page 72
... side of the equinoctial opposite to that of the elevated pole . If Z S be so , the ob- ject is below the horizon ... sides and angles of this most useful triangle : viz . 1st , The co - latitude of the place of observation ; 2d , the ...
... side of the equinoctial opposite to that of the elevated pole . If Z S be so , the ob- ject is below the horizon ... sides and angles of this most useful triangle : viz . 1st , The co - latitude of the place of observation ; 2d , the ...
Page 82
... side too large . And , 2dly , that whatever be the amount of the excentricity , and on whatever part of the circle any proposed angle is measured , the effect of the error in question on the result of observations depending on the ...
... side too large . And , 2dly , that whatever be the amount of the excentricity , and on whatever part of the circle any proposed angle is measured , the effect of the error in question on the result of observations depending on the ...
Other editions - View all
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
Popular passages
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.