Arc Minute

Astronomical Dictionary

A measure of angular separation. Arc is measured in a number of different units designed for various purposes: radians, grads, revolutions or circles, hours, degrees, etc. The most common unit of arc in astronomy and astrology is the degree, of which there are 360 in a full circle.

 
Astronomical [1] [2] [3] [4] [5] [6] [7] [8] [9]

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