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abstraction > mathematical concept > number > quantity > coordinate component > local coordinate component |
local coordinate component comparison table |
Subject | has synonym | has definition |
---|---|---|
azimuth | Angular distance from the north point eastward to the intersection of the celestial horizon with the vertical circle passing through the object and the zenith. | |
elevation | altitude | The angular distance of a celestial body above or below the horizon, measured along the great circle passing through the body and the zenith. Elevation is 90 deg. minus zenith distance. |
zenith distance | Angular distance on the celestial sphere measured along the great circle from the zenith to the celestial object. Zenith distance is 90° minus altitude. |
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