Which of the following correctly describes the meridian in your local sky?
A)a half-circle extending from your horizon due east,through your zenith,to your horizon due west
B)a half-circle extending from your horizon due east,through the north celestial pole,to your horizon due west
C)a half-circle extending from your horizon due north,through your zenith,to your horizon due south
D)the point directly over your head

Question

Quizplus · Accepted Answer

The meridian is an imaginary half-circle that extends from the horizon due North, through your zenith, to horizon due South. This is because the meridian is defined as the circle of constant longitude that passes through both the north and south points on your horizon, and these points are due North and due South, respectively.

Which of the Following Correctly Describes the Meridian in Your