An observer measures the North Star (Polaris) at an altitude of 30°. The observer's latitude is
A) 40°N.
B) none of these.
C) 60°N.
D) 30°N.

Question

Quizplus · Accepted Answer

The altitude of the North Star (Polaris) above the horizon directly corresponds to the observer's latitude in the Northern Hemisphere. Therefore, if Polaris is observed at an altitude of 30°, the observer's latitude is 30°N.

An Observer Measures the North Star (Polaris) at an Altitude