Celestial-poles sentence example

celestial-poles
  • In astronomy, the "celestial equator" is the name given to the great circle in which the plane of the terrestrial equator intersects the celestial sphere; it is consequently equidistant from the celestial poles.

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  • As the earth revolves from west to east the celestial sphere appears to us to revolve in the opposite direction, turning on the line j oining the Celestial Poles as on a pivot.

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  • His zenith is then in the equator and the celestial poles are in the North and South horizon respectively.

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