The change in the right ascension of the Sun between June 21 and December 21 is approximately
A) 18 hours 0 minutes.
B) 0 hours 0 minutes.
C) 6 hours 0 minutes.
D) 12 hours 0 minutes.

Question

Quizplus · Accepted Answer

The right ascension of the Sun changes approximately 24 hours in a year, or 2 hours per month. From June 21 to December 21 is 6 months, so the change is approximately 12 hours.

The Change in the Right Ascension of the Sun Between