为什么月球（Moon）升起的时间每天变化量不一致？

月球升起时间的变化取决于其每日在地平线以下下沉的程度。由于我们的卫星（satellite）每天在天球上移动的平均角度约为13.2°，导致其升起时间在不同日期出现波动。

Why does the daily moonrise time change by as much as 60 minutes from the previous day, and as little as 30 minutes during the same month? Jim WakefieldBend, Oregon It depends on how far the Moon dips below the horizon from one day to the next. Our satellite moves, on average, 13.2° per day Continue reading "Why doesn’t the moonrise time change by the same amount of time each day?" The post Why doesn’t the moonrise time change by the same amount of time each day? appeared first on Astronomy Magazine .