hour circle definition

  • noun:
    • an excellent circle driving through poles for the celestial sphere and intersecting the celestial equator at right perspectives.
    • a tiny brass circle attached to the north pole of an artificial world, and divided in to twenty-four parts or hours. It's regularly mark distinctions period in working issues regarding globe.
    • a fantastic group on celestial world that passes through both celestial poles

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  • Hypernym for "hour circle"
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