Outlines of astronomy |
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Page xiii
... variation of our climates , supplementary to those put forward in former editions of this work . I could have wished that its nature and limits would have permitted some account of Mr. Cooper's magnificent contributions to sidereal ...
... variation of our climates , supplementary to those put forward in former editions of this work . I could have wished that its nature and limits would have permitted some account of Mr. Cooper's magnificent contributions to sidereal ...
Page xx
... Variation of gravity on its surface . Statical and dynamical measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds . Determination of geographical positions of latitudes — of ...
... Variation of gravity on its surface . Statical and dynamical measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds . Determination of geographical positions of latitudes — of ...
Page xxii
... Variation of elements in general . Distinction between periodic and secular variations . Geometrical expression of tangential and normal forces . Variation of the Major Axis produced only by the tangential force . Lagrange's theorem of ...
... Variation of elements in general . Distinction between periodic and secular variations . Geometrical expression of tangential and normal forces . Variation of the Major Axis produced only by the tangential force . Lagrange's theorem of ...
Page xxiii
... variations of the elements of both planets . Long inequality of the Earth and Venus . Variation of the epoch . Inequalities incident on the epoch affecting the mean motion . Interpretation of the constant part of these ine- qualities ...
... variations of the elements of both planets . Long inequality of the Earth and Venus . Variation of the epoch . Inequalities incident on the epoch affecting the mean motion . Interpretation of the constant part of these ine- qualities ...
Page 31
... variations . ( 43. ) 1st . In the zenith there is no refraction . A celestial object , situated vertically over head , is seen in its true direction , as if there were no atmosphere , at least if the air be tranquil . 2dly . In ...
... variations . ( 43. ) 1st . In the zenith there is no refraction . A celestial object , situated vertically over head , is seen in its true direction , as if there were no atmosphere , at least if the air be tranquil . 2dly . In ...
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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 Edition effect epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Julian period 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 proper motions proportion recede reckoned refraction remarkable respect result revolution revolving right ascension 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 vols whole zenith