Matthew 2:9

“When they had heard the king, etc.] With great care and attention, what he had told them of the birth place of the young child; the strict charge he had given them to search diligently for him, and then return to him with an account of the whole affair; and his expressions of respect to the new born prince, which they took to be said in great sincerity, they departed; took their leave of Herod and his court, and set forward on their journey from Jerusalem to Bethlehem: and lo, to their great surprise and joy, the star, which they saw in the east, then appeared; for, it seems, it had for some time disappeared: it looks as if it had been only seen at the time of Christ’s birth, and when they…”

“When they had heard the king, they departed--But where were ye, O Jewish ecclesiastics, ye chief priests and scribes of the people? Ye could tell Herod where Christ should be born, and could hear of these strangers from the far East that the Desire of all nations had actually come; but I do not see you trooping to Bethlehem--I find these devout strangers journeying thither all alone. Yet God ordered this too, lest the news should be blabbed, and reach the tyrant's ears, before the Babe could be placed beyond his reach. Thus are the very errors and crimes and cold indifferences of men all overruled. and, lo, the star, which they saw in the east--implying apparently that it had disappeared in…”

“The star ... went before them - From this it appears that the star was a luminous meteor, perhaps at no great distance from the ground. It is not unlikely that they lost sight of it after they had commenced their journey from the East. It is probable that it appeared to them first in the direction of Jerusalem. They concluded that the expected King had been born, and immediately commenced their journey to Jerusalem. When they arrived there, it was important that they should be directed to the very place where he was, and the star again appeared. It was for this reason that they rejoiced. They felt assured that they were under a heavenly guidance, and would be conducted to the new-born King…”

“the star: Mat 2:2; Psa 25:12; Pro 2:1-6, Pro 8:17; Pe2 1:19 Matthew 2:10”