Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 pages |
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Page xii
... longitudes . Conduct of a trigonometrical survey . Of maps . Projec tions of the sphere . Measurement of heights by the barometer CHAPTER V. OF URANOGRAPHY . - - Page 125 Construction of celestial maps and globes by observations of ...
... longitudes . Conduct of a trigonometrical survey . Of maps . Projec tions of the sphere . Measurement of heights by the barometer CHAPTER V. OF URANOGRAPHY . - - Page 125 Construction of celestial maps and globes by observations of ...
Page 58
... longitude , we reckon from Greenwich . The longitude of a place is , therefore , measured by the arc of the equator intercepted between the meridian of the place and that of Greenwich ; or , which is the same thing , by the spherical ...
... longitude , we reckon from Greenwich . The longitude of a place is , therefore , measured by the arc of the equator intercepted between the meridian of the place and that of Greenwich ; or , which is the same thing , by the spherical ...
Page 59
... Longitude is also reckoned in time at the rate of 24 h . for 360 ° , or 15 ° per hour . In this system the longitude of Paris is 23 h . 50 m . 38s . * ( 92. ) Knowing the longitude and latitude of a place , it may be laid down on an ...
... Longitude is also reckoned in time at the rate of 24 h . for 360 ° , or 15 ° per hour . In this system the longitude of Paris is 23 h . 50 m . 38s . * ( 92. ) Knowing the longitude and latitude of a place , it may be laid down on an ...
Page 109
... longitude and latitude ; — in the starry heavens , if we know its right ascension and declina- tion ; in the visible hemisphere , if we know its azimuth and altitude , & c . ( 182. ) To observe an object at any point of its diurnal ...
... longitude and latitude ; — in the starry heavens , if we know its right ascension and declina- tion ; in the visible hemisphere , if we know its azimuth and altitude , & c . ( 182. ) To observe an object at any point of its diurnal ...
Page 150
... longitude , the former assigning its distance from the poles or the equator , the latter , the me- ridian on which that distance is to be reckoned . To these , in strictness , should be added , its height above the sea level ; but the ...
... longitude , the former assigning its distance from the poles or the equator , the latter , the me- ridian on which that distance is to be reckoned . To these , in strictness , should be added , its height above the sea level ; but the ...
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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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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.