Sean Fletcher finds out how Greek Orthodox Christians celebrate Epiphany, and the Rev Rose Hudson-Wilkin explains its meaning. In Durham, Christian astronomer the Rev Professor David Wilkinson talks to the Rev Kate Bottley about the scientific theories behind the star of Bethlehem. And in Coventry, at a baby baptism service in the Greek Orthodox tradition, a member of the congregation explains why baptism is so important to their faith. Hymns come from around the UK on the theme of Epiphany
