A、irregularities in the daily rotational rate of the Sun
B、the space motion of the solar system
C、the precession of the equinoxes
D、the use of different reference points
更多“A sidereal day is shorter than a solar day. This difference is due to（）.”相关的问题
A、Compilation fails. B、pi is bigger than 3. C、An exception occurs at runtime. D、pi is bigger than 3. Have a nice day. E、pi is not bigger than 3. Have a nice day.
A、as the basis for star charts B、to enter a star finder C、in sight reduction using Pub 249 D、in sight reductions of planet observations
A、used with the equation of time B、used in the form of LHA Aries C、calculating the time of moonrise D、determining local apparent time
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