circle of equal altitude

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circle of equal altitude [′sər·kəl əv ′ē·kwəl ′al·tə‚tüd]

(geodesy)

A circle on the surface of the earth, on every point of which the altitude of a given celestial body is the same at a given instant; the pole of this circle is the geographical position of the body, and the great-circle distance from this pole to the circle is the zenith distance of the body.

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No references found			CIR BKR cir mil CIRC circadian circadian rhythm Circadian Rhythms Circaea CIRCAL Circassia Circassian Circassian language Circe Circeo, Mt. circinate circinate vernation Circinus Circle circle diagram circle end circle graph circle haul circle of confusion Circle of Convergence Circle of Curvature circle of declination circle of equal altitude circle of equal declination circle of equal probability Circle of Fifths circle of illumination circle of inertia circle of inversion circle of latitude circle of least confusion circle of longitude circle of perpetual apparition circle of perpetual occultation Circle of Pious Zealots circle of position circle of probable error circle of right ascension circle of uncertainty circle of Willis circle shear circle sheet circle trowel circle-dot mode circle-on-circle face circle-on-circle sunk face Circleville circline lamp			Circle K Circle K International Circle Kicking Circle map Circle marriage Circle marriage Circle Oaks County Water District Circle of Acro Lovers Circle of altitude Circle of Ancient Iranian Studies Circle of Awareness Circle of Bosses circle of Carus Circle of Chaos Circle of confusion Circle of confusion Circle of confusion computation Circle of convergence circle of curvature circle of curvature Circle of Darkness Circle of Dead Children Circle of Death Circle of declination Circle of declination Circle of Dependability Circle of Dust Circle of Eagles Lodge Society circle of equal altitude circle of equal declination Circle of equal probability Circle of equal probability Circle of equal probability Circle of fifth Circle of fifths Circle of Five Circle of Food Allergic Families Circle of fourths Circle of Friends Motorcycle Club Circle of Friends With Arachnoiditis circle of Haller circle of Haller circle of Haller circle of Haller circle of Haller Circle of Health International Circle of Helping Hands Circle of Hope Therapeutic Riding, Inc. circle of illumination Circle of Industrial Engineering Majors circle of inertia Circle of Influence circle of inversion Circle of latitude Circle of latitude circle of least confusion circle of least confusion circle of least confusion Circle of Liberal Reformers

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