Definition of celestial sphere in English:

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celestial sphere

noun

An imaginary sphere of which the observer is the center and on which all celestial objects are considered to lie.
Example sentences
  • If one extrapolates the equator of the Earth out into the sky, the celestial equator is delineated as a circle cutting the celestial sphere into two.
  • Stars located far from the Sun on the celestial sphere were observed to experience a shift in their apparent position, though far more weakly than for stars positioned closer to the Sun.
  • Throughout this book, Guest weaves in connections to Berlioz, ballet, choreography, the origins of poetry itself and multi-faceted aspects of imagined celestial spheres.

For editors and proofreaders

Syllabification: ce·les·tial sphere

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