When they had heard the king, they departed; and, lo, the star, which they saw in the east, went before them, till it came and stood over where the young child was.
All Commentaries on Matthew 2:9 Go To Matthew 2
Glossa Ordinaria
AD 1480
According to others, the star was first seen on the day of the nativity, and having accomplished its end, ceased to be. Thus Fulgent us says, “The Boy at His birth created a new star.” Though they now knew both time and place, he still would not have them ignorant of the person of the Child, “Go,” he says, “and enquire diligently of the young Child;” acommission they would have executed even if he had not commanded it.