Physicist Grant Mathews will share the astrophysical details about the well-documented Christmas Star. Was it a comet, a nova, a supernova, or a planet alignment? And who were the wise men from the East?

This event is free and open to the public, but it is ticketed. Please visit this website for tickets: nd-dvt.eventbrite.com.

This is one of two showings. The other is at at 7 p.m. Friday, Dec. 7.