Outlines of AstronomyLongman, green and Roberts, 1859 - 714 pages |
From inside the book
Results 1-5 of 100
Page 16
... proportion to the whole earth , are yet too considerable with respect to ourselves and to that small portion of it which we can see at a single view , to allow of our forming any judgment of the form of the whole , from that of a part ...
... proportion to the whole earth , are yet too considerable with respect to ourselves and to that small portion of it which we can see at a single view , to allow of our forming any judgment of the form of the whole , from that of a part ...
Page 22
... proportion to the distance of the visible horizon from the eye as that distance does to the height of the eye above the sea level . When the stations are unequal in height , the problem is a little more complicated . ( 28. ) Although ...
... proportion to the distance of the visible horizon from the eye as that distance does to the height of the eye above the sea level . When the stations are unequal in height , the problem is a little more complicated . ( 28. ) Although ...
Page 23
... proportion , into the substance of the globe so that the ocean comes to be conceived as a mere film of liquid , such as , on our model , would be left by a brush dipped in colour , and drawn over those parts intended to represent the ...
... proportion , into the substance of the globe so that the ocean comes to be conceived as a mere film of liquid , such as , on our model , would be left by a brush dipped in colour , and drawn over those parts intended to represent the ...
Page 24
... proportion in point of quantity . The mechanical laws which would regulate the distribution and movements of such a film , and its adhesion to the surface , are altogether different from those which govern the phenomena of the sea ...
... proportion in point of quantity . The mechanical laws which would regulate the distribution and movements of such a film , and its adhesion to the surface , are altogether different from those which govern the phenomena of the sea ...
Page 25
... proportion to the incumbent pressure , it is easy to see that , although by rising still higher we should continually get above more and more of the air , and so relieve ourselves more and more from the pressure with which it weighs ...
... proportion to the incumbent pressure , it is easy to see that , although by rising still higher we should continually get above more and more of the air , and so relieve ourselves more and more from the pressure with which it weighs ...
Other editions - View all
Common terms and phrases
amount angle angular appear apsides ascertained astronomical attraction axis bright calculation celestial circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination increase 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 phænomena planet planetary pole portion position precession precisely proper motions proportion recede recess reckoned refraction remarkable render respect result revolution revolving right ascension ring rotation round satellites Saturn seen sidereal sidereal day situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible whole zenith