Outlines of Astronomy |
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Page xix
... the most con- spicuous among them from our system , and even supplied a measure of its rapidity . J. F. W. HERSCHEL . Collingwood , July 17 , 1869 . LIST OF PLATES . PLATE L. Frontispiece . Fig . THE TENTH EDITION . xix.
... the most con- spicuous among them from our system , and even supplied a measure of its rapidity . J. F. W. HERSCHEL . Collingwood , July 17 , 1869 . LIST OF PLATES . PLATE L. Frontispiece . Fig . THE TENTH EDITION . xix.
Page xxiv
... measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds ... Measurement of heights by the barometer . CHAPTER V. OF URANOGRAFHY . Page 129 Construction of celestial maps and globes ...
... measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds ... Measurement of heights by the barometer . CHAPTER V. OF URANOGRAFHY . Page 129 Construction of celestial maps and globes ...
Page xxiii
... measurements of time . Clocks , chronometers . Of astronomical measurements . Principle of telescopic sights to increase the accuracy of pointing . Simplest application of this principle . The transit instrument . Of the measurement of ...
... measurements of time . Clocks , chronometers . Of astronomical measurements . Principle of telescopic sights to increase the accuracy of pointing . Simplest application of this principle . The transit instrument . Of the measurement of ...
Page xxiv
... measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds ... Measurement of heights by the barometer . CHAPTER V. OF URANOGRAFHY . Page 129 Construction of celestial maps and globes ...
... measures of gravity . The pendulum . Gravity to a spheroid . Other effects of the Earth's rotation . Trade winds ... Measurement of heights by the barometer . CHAPTER V. OF URANOGRAFHY . Page 129 Construction of celestial maps and globes ...
Page 17
... measured with an instrument called the dip sector , is the same ( except under some singular atmospheric circumstances , which produce a temporary dis- tortion of the outline ) , in whatever direction the measure is taken , -properties ...
... measured with an instrument called the dip sector , is the same ( except under some singular atmospheric circumstances , which produce a temporary dis- tortion of the outline ) , in whatever direction the measure is taken , -properties ...
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amount angle angular appear apsides ascertained astronomical atmosphere attraction axis bright calculation celestial circle coincidence comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity heavens heliocentric hemisphere horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian micrometrical moon moon's nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations phænomena phænomenon planet planetary pole portion position precession precisely proper motion proportion recede recess 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 whole zenith