[Physics-grads-open] Physics & Astronomy Colloquium, June 8th

[Heather Mcdermott]

[cid:18627e3ec714cff311]

Physics & Astronomy Colloquium








Cosmology and Galaxy Formation at the Crossroads


Dr. Mike Boylan-Kolchin

University of Texas at Austin



Abstract: We find ourselves at a pivotal era in the study of cosmology and galaxy formation. The dark energy + cold dark matter (ΛCDM) paradigm is firmly established as the default cosmological model, owing in large part to its incredible success in explaining the large-scale distribution of matter and energy in Universe, yet the nature of both dark energy and dark matter remain deep mysteries. The successes of ΛCDM have also focused attention on its potential shortcomings, which may indicate the need for minor adjustments to the theory or may presage its breakdown and more substantive revisions to our baseline model of the cosmos. I will discuss some of the areas of potential discord between observations and ΛCDM expectations, including JWST results on high-redshift galaxies and measurements of the expansion rate of the Universe. I will also explore how current and forthcoming facilities either will further solidify ΛCDM as the standard cosmological paradigm or signal a paradigm shift in our basic understanding of the Universe.



Thursday, June 8th, 2023

3:40 PM in Winston Chung Hall (Room 138)

Coffee will be served at 3:10 PM in the Barkas Lounge (3049 Physics)



Heather McDermott
Travel & Event Coordinator
Physics & Astronomy Dept.
University of California Riverside
Ph: 951-827-6169
heatherm at ucr.edu<mailto:heatherm at ucr.edu>

AVAILABLE VIA ZOOM
FOR VIRTUAL OFFICE
HOURS AT:
https://ucr.zoom.us/my/heathermcdermott



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