In a Christmas Eve edition of the show Justin is joined by Christian guest Colin Nicholl, atheist Aaron Adair and agnostic Mark Kidger, each of whom has written a book on the star of a Bethlehem from different perspectives.

Nicholl says his research has led him to conclude the star was a comet. Adair says the star was pious fiction by the writer of Matthew’s

Gospel. Astronomer Mark Kidger also shares his ongoing research on the possible explanations of the star and the Magi who heralded its appearance. 

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For ‘The Great Christ Comet’ by Colin R. Nicholl: 

For ‘The Star of Bethlehem: A skeptical view’ by Aaron Adair: 

For ‘The Star of Bethlehem: An astronomer’s view’ by Mark Kidger: 

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