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 vi
... produced by the actions of the sun , moon , and planets on the earth , and by the motions of the latter . In a chapter on Nautical Astronomy there is given a series of propositions relating to the geographical positions of places on the ...
... produced by the actions of the sun , moon , and planets on the earth , and by the motions of the latter . In a chapter on Nautical Astronomy there is given a series of propositions relating to the geographical positions of places on the ...
Page 2
... produced above and below it towards the heavens , is denominated a vertical line ; its upper and lower extremities are designated , respectively , the zenith and nadir . Every plane which may be conceived to pass through this line is ...
... produced above and below it towards the heavens , is denominated a vertical line ; its upper and lower extremities are designated , respectively , the zenith and nadir . Every plane which may be conceived to pass through this line is ...
Page 5
... produced towards her ; and then , the shadow of the earth falling on the moon , the inhabitants of the side of the earth which is nearest to her observe her to be eclipsed , or deprived of the light which she would have received from ...
... produced towards her ; and then , the shadow of the earth falling on the moon , the inhabitants of the side of the earth which is nearest to her observe her to be eclipsed , or deprived of the light which she would have received from ...
Page 7
... produced to the heavens will be the plane last mentioned : it will cut the surface of the earth ( which is assumed to be a sphere or spheroid ) in the circumference of a circle called the terres- trial equator , and that of the sphere ...
... produced to the heavens will be the plane last mentioned : it will cut the surface of the earth ( which is assumed to be a sphere or spheroid ) in the circumference of a circle called the terres- trial equator , and that of the sphere ...
Page 9
... produced to the heavens will be the plane last mentioned : it will cut the surface of the earth ( which is assumed to be a sphere or spheroid ) in the circumference of a circle called the terres- trial equator , and that of the sphere ...
... produced to the heavens will be the plane last mentioned : it will cut the surface of the earth ( which is assumed to be a sphere or spheroid ) in the circumference of a circle called the terres- trial equator , and that of the sphere ...
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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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