Caltech’s upcoming Astronomy on Tap event on July 14, 2025 will discuss dark matter and supernovae.
By Katlyn Ong
Why do scientists believe that dark matter actually exists despite not having found it? How do we identify stars that are about to die and what happens next? Discuss these topics and more at Caltech’s next Astronomy on Tap. There will be two ~20 minute talks and a Q&A, followed by interactive, astronomical pub trivia, live rock music, and guided stargazing with telescopes.
The talks will be led by Isabel Sands, PhD Candidate of Caltech’s Department of Physics and Daichi Tsuna, Burke Postdoctoral Fellow of Caltech’s Department of Astronomy.
Schedule
- 7:30 pm – Why We Think Dark Matter Really Exists and What We Think It Is
- 8:30 pm – Finding Stars About to Die
- 9:00 pm – Astro-themed Pub Trivia
About the Series
Astronomy on Tap is a global phenomenon where professional astronomers give informal science talks in local bars with accompanying pub trivia and interactions with the public. Scientists at Caltech organize the Los Angeles Chapter of Astronomy on Tap one Monday a month. These free events are open to all at the outdoor patio of the Dog Haus Biergarten in Old Town Pasadena (with an inexpensive parking structure one block away).
Each event consists of two ~20-minute informal science talks given by researchers in astronomy, physics, and space science followed by a Q&A. In the intermission periods, there is guided stargazing with telescopes, astro-themed pub trivia, and live music from Jason Achilles and Forrest Mitchell. The event is free and open to all. No reservations necessary. For more information and recordings of past events, see the Caltech Astro Outreach website and the Caltech Astro YouTube page.
For more information, contact Cameron Hummels by email at chummels@caltech.edu.
Astronomy on Tap: Dark Matter and Supernovae July 14, 2025 7:30 pm - 9:30 pm Location Dog Haus Biergarten Old Pasadena 93 E Green St. Pasadena, CA 91105










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