Practical Astronomy and Geodesy: Including the Projections of the Sphere and Spherical Trigonometry. For the Use of the Royal Military CollegeLongman, Brown, Green, and Longmans, 1845 - 427 pages |
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Page ix
... equal distances , the intercepted arcs are equal 31. ( Prop . VI . ) The projected poles of any circle of the sphere , and the centre of the projection of the same circle , are in the representation of a great circle passing through the ...
... equal distances , the intercepted arcs are equal 31. ( Prop . VI . ) The projected poles of any circle of the sphere , and the centre of the projection of the same circle , are in the representation of a great circle passing through the ...
Page xix
... equal to a given anomaly 262. The laws of Kepler require modification for bodies moving in parabolical orbits 263. In parabolical orbits the squares of the times of describing equal angles , reckoned from the perihelion , vary as the ...
... equal to a given anomaly 262. The laws of Kepler require modification for bodies moving in parabolical orbits 263. In parabolical orbits the squares of the times of describing equal angles , reckoned from the perihelion , vary as the ...
Page xxiii
... equal altitudes of the sun with the corresponding azimuths . - Example 348. Method of finding the time of apparent noon from equal al- titudes of the sun , the ship changing its place in the in- terval between the observations 349 ...
... equal altitudes of the sun with the corresponding azimuths . - Example 348. Method of finding the time of apparent noon from equal al- titudes of the sun , the ship changing its place in the in- terval between the observations 349 ...
Page 4
... equal to the elevation of that luminary at the noon of the day which is the middle of the interval between mid - winter and mid - summer , or between mid - summer and mid - winter : it may be observed also , that the greatest elevation ...
... equal to the elevation of that luminary at the noon of the day which is the middle of the interval between mid - winter and mid - summer , or between mid - summer and mid - winter : it may be observed also , that the greatest elevation ...
Page 16
... equal to one another , the angle F A N ' = F M ′ B. It follows that , in the present case , the products corresponding to those represented by p and q above are equal to one another , and FN . F M ' becomes equal to F G2 , which is a ...
... equal to one another , the angle F A N ' = F M ′ B. It follows that , in the present case , the products corresponding to those represented by p and q above are equal to one another , and FN . F M ' becomes equal to F G2 , which is a ...
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Practical Astronomy and Geodesy: Including the Projections of the ..., Volume 5 John Narrien No preview available - 2016 |
Common terms and phrases
angular distance apparent ascension and declination astronomical azimuth bisected celestial body celestial sphere centre circle passing circumference colatitude computed considered correction corresponding cosine cotan degrees described determined diameter difference earth ecliptic ellipse equal equator equatorial equinoctial point expressed fixed star formula geocentric given graduation Greenwich Greenwich mean horary motions horizontal parallax hour angle index error instant instrument interval latitude latter let fall limb longitude mean noon meridian micrometer moon moon's Nautical Almanac node observed altitude obtained optical axis orbit parallax parallel perihelion perpendicular plane passing polar distance pole position projection radius refraction represented revolution revolve right angles right ascension satellite screw sector semidiameter side sidereal sidereal clock sine sphere spherical triangle star's station subtended subtracted supposed surface tangent transit telescope true variation vertical wire zenith distance zero
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