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Astronomy on Tap

Monday, November 16, 2026
7:30pm to 9:30pm
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Cosmology, Inflation, and Clusters
Sean Bruton, Postdoctoral Fellow, Department of Physics, Caltech,
Harshda Saxena, PhD Candidate, Department of Astronomy, Caltech,

What happened in the first fraction of a second after the Big Bang and what are the largest structures in the Universe? How do these inform us about how the cosmos has evolved over billions of years? Join us Monday, November 16th at 7:30PM as we discuss these topics and more at our next Astronomy on Tap. We'll host two ~20 minute talks, Q&A, and then follow it up with interactive, astronomical pub trivia, and guided stargazing with telescopes!

7:30 p.m. - Inflation Was Way Worse 13.8 Billion Years Ago: Studying the Big Bang with SPHEREx
8:30 p.m. - Studying the Giants: Understanding the Universe through its Largest Structures
9:00 p.m. - Astro-themed Pub Trivia Answers and Prizes

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. We host these free events which are open to all at the outdoor patio of the Dog Haus Biergarten in Old Town Pasadena (with 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 Q&A. In the intermission periods, we have guided stargazing with telescopes, and astro-themed pub trivia. Event is free and open to all. No reservations necessary. For more information and recordings of past events, please see the Caltech Astro Outreach website and the Caltech Astro YouTube page.

For more information, please contact Cameron Hummels by email at [email protected].