John Gill

Be astonished, O ye heavens, at this,.... Meaning either the angels in heaven, or the heavens themselves, by a personification: and be horribly afraid, be ye very desolate, saith the Lord; all which may be signified by storms and tempests, by thunder and lightning, and by the sun's withdrawing its light. This is said to aggravate the wickedness committed, as if the heavens blushed and were ashamed, and were confounded and amazed at it; and as if, on account of it, the Jews deserved not the benefit of the heavens, and the orbs in them.