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Join us on a tour of the Cosmos, from the Earth to the Big Bang, in our digital, immersive, full-dome theater.

Planetarium Theater

Bringing the Universe to You

The Marshall W. Alworth Planetarium offers live, interactive shows and full-dome theater presentations. From traditional star displays and cultural shows that show the importance of astronomy around the world, to feature presentations that whisk you through the depths of outer space, the planetarium has something for curious stargazers of all ages.

Located on the main UMD campus, the planetarium has served Duluth for 50 years as a fun and educational resource for school groups from preschool to college.

The planetarium is also home to the Arrowhead Astronomical Society, one of the largest amateur astronomy societies in the Upper Midwest.

We invite you to an unforgettable evening — to experience the fascinating world of astronomy.

The Marshall W. Alworth Planetarium offers:

  • Full-Dome Theater Programs

  • FREE public events every Wednesday night at 7 PM

  • Public shows every Friday at 7 PM and Saturday at 2 PM and 7 PM with ticket prices as follows:

    • $5 Adults
    • $3 Seniors 60+, Children 6-12 and Students with ID
    • Children under 5 FREE


  • Special events/group shows for non-profits (e.g., for school groups, religious organizations, camps and others) at a cost of $2 per person per hour (minimum 10 people)

  • Birthday parties ($50 covers rental for 2 hours for up to 30 people, plus tables, chairs, utensils, fridge and FUN!)

  • Private events (e.g., weddings, galas, concerts and more)

  • Shows from around the world as we live stream presentations from other universities and planetariums
  • For disability related accommodations, please contact us at least two weeks in advance at or 218-726-7129.