Acts 1:10

“And while they looked steadfastly toward heaven, etc.] For though he was taken out of their sight by the cloud, they kept looking upwards, and after him, if they could see him again, or any more of him: as he went up; they looked up to heaven after him, as he went up from the earth, before the cloud took him out of their sight; and still they continued looking, as the cloud carried him up, until it was out of the reach of their sight, being willing to see the last of him in this way: behold, two men stood by them in white apparel; that is, two angels in the form of men; it being usual with them to appear in human form: these on a sudden appeared and stood on the earth just by them; though…”

“while they looked steadfastly toward heaven--following Him with their eager eyes, in rapt amazement. Not, however, as a mere fact is this recorded, but as a part of that resistless evidence of their senses on which their whole subsequent testimony was to be borne. two men in white apparel--angels in human form, as in Luk 24:4.”

“Looked stedfastly - They fixed their eyes, or gazed intently toward heaven. Luke 4:20, “and the eyes of all them in the synagogue were fastened (Greek: the same word as here) on him.” It denotes the intense gaze when we are deeply interested, and wish to see clearly and distinctly. They were amazed and confounded; what had occurred was unlocked for; for they had just been inquiring whether he would not, at that time, restore the kingdom to Israel. With this mingled amazement, disappointment, and curiosity, and with an earnest desire to catch the last glimpse of their beloved master, they naturally continued to gaze on the distant clouds where he had mysteriously disappeared from their view.…”

“1:10 Christ’s rising into heaven indicates his elevation to a place of ultimate authority (see Eph 1:19-23; Phil 2:9-11).”

“while: Kg2 2:11, Kg2 2:12 two: Act 10:3, Act 10:30; Dan 7:9; Mat 17:2, Mat 28:3; Mar 16:5; Luk 24:4; Joh 20:12; Rev 3:4; Rev 7:14 Acts 1:11”