 | John Bonnycastle - 1806 - 464 páginas
...point of aries, is sometimes called his place in the ecliptic. The co-latitude, or polar distance, of any celestial object is an arc of a meridian contained between the centre of that object and the north or south pole. The dip of the horizon is the angle formed by an horizontal line, drawn through... | |
 | Thomas Keith - 1821 - 408 páginas
...object is on the meridian, this arc is called the meridian zenith distance. 47. The POLAR DISTANCE of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. 48. The AMPLITUDE of any object in the heavens is an arc of the horizon, contained... | |
 | Thomas Keith - 1826 - 504 páginas
...arc of a circle of longitude contained between the centre of that object and the ecliptic. (R) The latitude of any place on the earth, is the elevation...on the celestial sphere. (S) The declination of any celestiaj object, is an arc of a meridian contained between the centre ofthat object and the equinoctial.... | |
 | James Ryan - 1827 - 408 páginas
...the sun is on the meridian, this arc is called the meridian zenith distance. 11. The polar distance of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. QUESTIONS. What are the cardhial points of the horizon ? What are the cardinal... | |
 | Joseph Guy - 1832 - 412 páginas
...object is on the meridian, this arc is called the meridian zenith distance. 67. The POLAR DISTANCE of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. 48. The AMPLITUDE of any object in the heavens is an arc of the horizon, contained... | |
 | Thomas Keith - 1839 - 498 páginas
...arc of a circle of longitude contained between the centre of that object and the ecliptic. (526) The latitude of any place on the earth, is the elevation...place from the equinoctial, on the celestial sphere. (527) The declination of any celestial object, is an arc of a meridian contained between the centre... | |
 | John Rorke - 1844 - 188 páginas
...a vertical circle, contained between the centre of the object and the zenith. 4. The polar distance of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. PROB. 38. Given the altitude of the sun, on any day, tcgether with the latitude,... | |
 | Joseph Guy - 1845 - 370 páginas
...object is on the meridian, this arc is called the meridian zenith distance. 57. The POLAR DISTANCE of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. 48. The AMPLITUDE of any object in the heavens is an arc of the horizon, contained... | |
 | Thomas Keith - 1848 - 486 páginas
...object is on the meridian, this arc is called the meridian zenith distance. 47. The POLAR DISTANCE of any celestial object is an arc of a meridian, contained between the centre of that object and the pole of the equinoctial. 48. The AMPLITUDE of any object in the heavens is an arc of the horizon, contained... | |
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... ZENITH DISTANCE of any celestial object is the arc of a vertical circle, contained between the centre of that object and the zenith ; or it is what the altitude of the object wants of 90 degrees. 