Median of a normal distribution is to outlier as lunar perigee is to lunar orbit. Lunar perigee is the side of the moon that is closest too earth. The moon is orbiting elliptically around the earth which means that the closest part of the moon's orbit is the perigee. This is also the the time wherein the moon appears bigger than the normal size. That is why, the distances between the moon and the earth varies according to how the moon is being positioned around the earth while orbiting.
