What is the right ascension and declination for Polaris, the North Star?
A) RA 0 hr, D 0 degrees
B) RA indeterminate, D 90 degrees
C) RA 90 hr, D - 90 degrees
D) RA 0 hr, D 80 degrees

Question

Quizplus · Accepted Answer

The North Star, Polaris, is located almost directly above the North Pole, so its declination is very close to +90 degrees. Its right ascension, however, is not fixed, but rather, changes very slowly over time due to precession. Therefore, its RA is indeterminate.

What Is the Right Ascension and Declination for Polaris, the North