Ascension of Jesus to facilitate the obligation to attend Mass. Saint Jerome held that it was of Apostolic origin, but in fact the ascension was originally part of Pentecost (the coming of the Holy Spirit), and developed as a separate celebration only slowly from the late 4th century onward. In the Catholic tradition it begins with a three-day "rogation" to ask for God's mercy, and the feast itself includes a procession of torches and banners symbolising Christ's journey to the Mount of Olives and entry into heaven, the extinguishing of the Paschal candle, and an all-night vigil; white is the liturgical colour. The
Ascension of Jesus sat on pillars in the celestial sea. Humans looking up from earth saw the floor of heaven, made of clear blue lapis-lazuli (Exodus 24:9-10), as was God's throne (Ezekiel 1:26). Ascension stories were fairly common around the time of Jesus and the gospel-authors, signifying the deification of a noteworthy person (usually a Roman Emperor), and in Judaism as an indication of divine approval. Another function of heavenly ascent was as a mode of divine revelation reflected in Greco-Roman, early Jewish, and early Christian literary sources, in which particular individuals with prophetic or revelatory gifts are thought to have experienced a