NET

19 Then the temple of God in heaven was opened and the ark of his covenant was visible within his temple. And there were flashes of lightning, roaring, crashes of thunder, an earthquake, and a great hailstorm.

Darby

19 And the temple of God in the heaven was opened^D9561, and the ark of his covenant was seen in his temple: and there were lightnings, and voices, and thunders, and an earthquake, and great hail.

Darby Bible Notes

opened - Or 'and the temple of God was opened in the heaven.'

KJV

19 And the temple of God was opened in heaven, and there was seen in his temple the ark of his testament: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail.