If we want to watch the lunar phase on the seventh night of the lunar new year, we should choose () observation A. The eastern sky in the first half of the night B. The western sky in the first half of the night C. The eastern sky in the middle of the night I'll help you with the price

If we want to watch the lunar phase on the seventh night of the lunar new year, we should choose () observation A. The eastern sky in the first half of the night B. The western sky in the first half of the night C. The eastern sky in the middle of the night I'll help you with the price

B
Up, up, up, West, down, East, East

The phase of the second half of the lunar calendar can be seen in ()

The lunar phase of the second half of the lunar calendar is usually best observed around 5-6 a.m. from the 15th, the moon rises later, rises at 21:30, sets at 9:00, rises at 23:00 and sets at 15:00. The observation effect is not very good due to the sunlight in the daytime. Therefore, the best choice for observing the lunar phase of the second half of the lunar calendar is around 5-6 a.m, After 7 o'clock, the observation effect gradually weakens. Of course, you can choose the observation time according to the time I give you

The change period of the lunar phase is days, which is close to that of the lunar calendar

The change period of lunar phase is (29.5306) days, which is close to (one month) of the lunar calendar
For a simple explanation, the second space is the lunar calendar, which is the lunar calendar,