Here on earth, Catholic priests wear liturgical vestments when celebrating Mass. In fact the entire Mass is taken right out of the Bible . . .
Rev. 1:10 speaks of the heavenly liturgy being celebrated on the Lord's day. Catholics are obliged to attend mass on Sunday (the Lord’s Day).
Rev. 1:12, 2:5 speaks of lampstands or “Menorahs” in heaven. They are also used in the mass here on earth.
Rev. 1:13, 4:4, 6:11, 7:9, 15:6, 19:13-14 tells us about priests wearing special vestments in the heavenly liturgy. Here on earth, Catholic priests also wear liturgical vestments when celebrating Mass.
Rev. 2:5, 16, 21; 3:3; 16:11 speaks of a penitential rite going on in heaven – just like the in the Mass on earth.
Rev. 15:3-4 speaks of the “Gloria” being recited in heaven. You will hear this recited during the Mass on earth.
Rev. 4:4, 5:14; 11:16, 14:3, 19:4 mentions the presbuteros(oi) (priests) in heaven. On earth, the priest offers Jesus’ eternal and ongoing sacrifice during the Mass.
Rev. 5:8, 6:9-11, 8:3-4 speaks of the saints in heaven interceding on our behalf – just as they are petitioned in the Mass.
Rev. 4:8 speaks of heaven's un-ending hymn of praise to God, “Holy, Holy, Holy”. This very same prayer is recited in the Mass.
Rev. 2:17 speaks of manna in heaven that is given to the faithful. Likewise, during the Mass, we receive the true manna - the Eucharist.
Rev. 5:8, 8:3-4 speaks of incense being used in heaven which has been part of the celebration of the Mass from the beginning.
Rev. 6:9 tells us about the martyrs under the heavenly altar which is mirrored by the Church's tradition of having relics of saints under the altars of our churches on earth.
Rev. 5 speaks of the Lamb (describing Jesus). During the Mass, Jesus is described as the Lamb of God during the Liturgy of the Eucharist.
Rev. 8:3, 11:1, 14:18, 16:7 speaks of an altar being present in heaven – which illustrates that an eternal sacrifice is being offered. That sacrifice is the very same one being offered on the altar during the Mass.
Rev. 14:4 speaks of those who follow the Lamb wherever he goes. They are celibate. In the same way, our celibate priests and religious here on earth follow the Lord.
Rev. 15:7, 16:1-4, 8, 10, 12, 17; 21:9 speaks of chalices (bowls) being used in the heavenly liturgy. Likewise, chalices are used to offer our Lord’s eternal sacrifice on earth during the Mass.
Rev. 17, 19:9 speaks of consuming the Lamb at the marriage celebration in Heaven. This is done at every single Mass on earth during Communion.
Rev. 19:1, 3, 4, 6 speaks of the “Alleluia” being recited in heaven. You will find this recited at every Mass here on earth.