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
... intersections of two circles of the sphere as a pole , at 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 ...
... intersections of two circles of the sphere as a pole , at 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 ...
Page xv
... intersection with another 181. Application of spherical trigonometry in the last case 182. Transformation , when two of the planes turn together , one of them on its intersection with the third , and both of them by a movement of this ...
... intersection with another 181. Application of spherical trigonometry in the last case 182. Transformation , when two of the planes turn together , one of them on its intersection with the third , and both of them by a movement of this ...
Page 2
... intersection with the surface of the earth or with a horizontal plane , which , to the extent of a few yards in every direction about the spectator , may be considered as coincident with that surface , is called a meridian line : of ...
... intersection with the surface of the earth or with a horizontal plane , which , to the extent of a few yards in every direction about the spectator , may be considered as coincident with that surface , is called a meridian line : of ...
Page 11
... intersect each other in the zenith and nadir . An arc of the rational horizon intercepted between the meridian of a station and a vertical circle pass- ing through a celestial body is called the azimuth , and an arc of a vertical circle ...
... intersect each other in the zenith and nadir . An arc of the rational horizon intercepted between the meridian of a station and a vertical circle pass- ing through a celestial body is called the azimuth , and an arc of a vertical circle ...
Page 14
... intersection will pass through the centre of the primitive circle . Note . The chords , sines , tangents , and secants of the angles or arcs , which , in the projections of the sphere , are to be formed or measured , may be most ...
... intersection will pass through the centre of the primitive circle . Note . The chords , sines , tangents , and secants of the angles or arcs , which , in the projections of the sphere , are to be formed or measured , may be most ...
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Other editions - View all
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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