在满月以前的两个日子里，在白天也可用肉眼看到月亮这个球体的全部，但其亮度只有晚上满月的一半。
In the two days leading up to the full moon, the orb might look full to the naked eye, but its brightness is only half of what it will be on the night that the moon is full.
结果，这导致了比起运行到远地点(椭圆形月球轨道的最远端)时的满月，那天的月亮面积增大14%，亮度增加30%。
As a result it appeared some 14 percent larger and 30 percent brighter than a Full Moon near apogee, the most distant point in the elliptical lunar orbit.
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