Was opened (ηνοιγη). Second aorist passive indicative of ανοιγω, with augment on the preposition as in Revelation 15:5. For the sanctuary (ναος) of God in heaven see Revelation 3:12; Revelation 7:15; Revelation 15:5; Revelation 21:22.

Was seen (ωφθη). First aorist passive indicative of οραω.

The ark of his covenant (η κιβωτος της διαθηκης αυτου). The sacred ark within the second veil of the tabernacle () and in the inner chamber of Solomon's temple () which probably perished when Nebuchadrezzar burnt the temple (; ). For the symbols of majesty and power in nature here see also ; ; ; ; .