Astronomers and historians have long debated whether the Star of Bethlehem was really a star at all.

Part of a Constant Wonder series marking the Christian Advent with daily vignettes that distill the spirit of the season, in keeping with our mission of exploring wonder and awe in all nature, human or wild, vast or small: encounters that move us beyond words.

Guest: Deb Haarsma, astrophysicist and President of BioLogos