The Transfiguration of Jesus is an event reported in the New Testament

New Testament

The New Testament is the second major division of the Christian biblical canon, the first such division being the much longer Old Testament....

 in which Jesus

Jesus

Jesus of Nazareth , commonly referred to as Jesus Christ or simply as Jesus or Christ, is the central figure of Christianity...

 is transfigured and becomes radiant upon a mountain. The Synoptic Gospels

Synoptic Gospels

The gospels of Matthew, Mark, and Luke are known as the Synoptic Gospels because they include many of the same stories, often in the same sequence, and sometimes exactly the same wording. This degree of parallelism in content, narrative arrangement, language, and sentence structures can only be...

 (Matthew 17:1-9, Mark 9:2-8, Luke 9:28-36) describe it, and 2 Peter 1:16-18 refers to it.

In these accounts Jesus and three of his apostles go to a mountain (the Mount of Transfiguration

Mount of Transfiguration

One of the unknowns of the New Testament is the identification of the mountain where Jesus underwent his Transfiguration. The Matthew account of the Transfiguration is as follows....

). On the mountain, Jesus begins to shine with bright rays of light, the prophets Moses

Moses

Moses was, according to the Hebrew Bible and Qur'an, a religious leader, lawgiver and prophet, to whom the authorship of the Torah is traditionally attributed...

 and Elijah appear next to him and he speaks with them.