Marina Exam Reviewer: Concerning a celestial observation, the azimuth angle is measured from the principal vertical circle to the __________.

Marina Exam Reviewer

Concerning a celestial observation, the azimuth angle is measured from the principal vertical circle to the __________. 

A. hour circle of the body 
B. Greenwich celestial meridian 
C. local celestial meridian 
D. vertical circle of the body



Answer:      D. vertical circle of the body

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