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 xx
... becomes invisible - 210 210 211 - 211 280. Manner of finding the inclination of the ring 281. Manner of finding the positions of its line of nodes 282. Römer's hypothesis concerning the progressive motion of light - 212 - - 212 CHAP ...
... becomes invisible - 210 210 211 - 211 280. Manner of finding the inclination of the ring 281. Manner of finding the positions of its line of nodes 282. Römer's hypothesis concerning the progressive motion of light - 212 - - 212 CHAP ...
Page 2
... become smaller portions of a circumference as they rise more remotely from the northern part of the horizon ; and a few may be observed which rise and set near the southern point , describing , during the time they are visible , curves ...
... become smaller portions of a circumference as they rise more remotely from the northern part of the horizon ; and a few may be observed which rise and set near the southern point , describing , during the time they are visible , curves ...
Page 5
... becomes a complete circle : afterwards the breadth diminishes till the moon is about to become invisible from her proximity to the sun in the east , when the figure is again that of a slender crescent . These phases are exactly such as ...
... becomes a complete circle : afterwards the breadth diminishes till the moon is about to become invisible from her proximity to the sun in the east , when the figure is again that of a slender crescent . These phases are exactly such as ...
Page 16
... becomes equal to F G2 , which is a property of a circle ( Euc . 35. 3. ) ; therefore when E is on the surface of the sphere , & c . Scholium . If the plane of a circle of the sphere were parallel to the plane of projection , it is ...
... becomes equal to F G2 , which is a property of a circle ( Euc . 35. 3. ) ; therefore when E is on the surface of the sphere , & c . Scholium . If the plane of a circle of the sphere were parallel to the plane of projection , it is ...
Page 35
... becomes , or cp is equal to half the radius of the primitive circle . If lines were drawn from E to any other point in the arc M B so as to intersect CM , the distances of the intersections from c would be nearly , but not exactly ...
... becomes , or cp is equal to half the radius of the primitive circle . If lines were drawn from E to any other point in the arc M B so as to intersect CM , the distances of the intersections from c would be nearly , but not exactly ...
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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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