The GHA of a star __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — increases at a rate of approximately 15° per hour
Due to the Earth's rotation from west to east at 15 degrees per hour, the Greenwich Hour Angle (GHA) of a star increases uniformly at this same approximate rate of 15 degrees per hour.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.