celestial triangle

An astronomical triangle on the surface of the celestial sphere whose vertices are the zenith, an elevated pole, and a given celestial body.

Aviation dictionary. 2014.

Look at other dictionaries:

  • celestial precomputation — The solution of the celestial triangle for altitude and azimuth for a future time and position …   Aviation dictionary

  • Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt …   Wikipedia

  • navigational triangle — The spherical triangle solved in computing altitude and azimuth or great circle problems. The celestial triangle is formed on the celestial sphere by the great circles connecting the elevated pole, the zenith of the assumed position of the… …   Aviation dictionary

  • PZX triangle — The PZX triangle is a term used in Astro Navigation, or Celestial Navigation, and its solution can give you your position anywhere (more or less) on the globe. The sky is described as a Celestial Sphere with a North and South Pole corresponding… …   Wikipedia

  • Navigational triangle — The navigational or PZX triangle is a term used in Astro Navigation, or Celestial Navigation, and its solution can give you your position anywhere (more or less) on the globe. The sky is described as a Celestial Sphere with a North and South Pole …   Wikipedia

  • astronomical triangle — noun : a triangle on the celestial sphere whose vertices are the pole, the zenith, and the observed body * * * the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole. [1915 20] …   Useful english dictionary

  • Summer Triangle — The Summer Triangle is an astronomical asterism involving an imaginary triangle drawn on the northern hemisphere s celestial sphere, with its defining vertices at Altair, Deneb, and Vega. This triangle connects the constellations of Aquila,… …   Wikipedia

  • astronomical triangle — the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole. [1915 20] * * * …   Universalium

  • astronomical triangle — The spherical triangle formed by joining the observer’s elevated pole, his zenith, and the position of the body on the celestial sphere …   Aviation dictionary

  • Bygrave slide rule — The Bygrave slide rule is a slide rule named for its inventor, Captain L. G. Bygrave of the RAF. It was used in celestial navigation, primarily in aviation. Officially, it was called the A. M. L. Position Line Slide Rule (A.M.L. for Air Ministry… …   Wikipedia

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