Hour Circle (noun) Definition, Meaning & Examples

noun Astronomy.
  1. a great circle on the celestial sphere passing through the celestial poles and containing a point on the celestial sphere, as a star or the vernal equinox.
noun
  1. a great circle on the celestial sphere passing through the celestial poles and a specified point, such as a star
    Hour Circle (noun) Definition, Meaning & Examples

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