Marina Exam Reviewer: At meridian transit, the diagram used by a navigator to illustrate the angles involved is based on the __________.

Marina Exam Reviewer

At meridian transit, the diagram used by a navigator to illustrate the angles involved is based on the __________. 

A. plane of the Greenwich meridian 
B. plane of the observer's meridian 
C. celestial equator as observed from above the south 
D. celestial pole celestial equator as observed from above the north celestial pole 


Answer:      B. plane of the observer's meridian 

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