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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.
Pages
About Me
About me
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Posts
factposts
portfolio
3 Body Problem Presentation
Video about the 3 body problem, chaos, and its significance in astronomy.
Fluid Dynamics Notes
Living notes compiled from ASTRON C202: Fluid Dynamics at UC Berkeley.
High Energy Astrophysics Notes
Living notes compiled from ASTRON C254: High Energy Astrophysics at UC Berkeley.
publications
Constraining Modified Gravity Using Galaxy Cluster Dynamics
Published in University of Utah Marriott Library, 2024
In this work, two branches of modified dynamics - EMOND and MOND plus Dark Matter (MOND+DM) - are challenged using observational and theoretical constraints which emerge from galaxy clusters.
Recommended citation: Diggins, Eliza C. (2024). "Constraining Modified Gravity Using Galaxy Cluster Dynamics." Retrieved from eliza-diggins.github.io http://eliza-diggins.github.io/files/Honors_Thesis.pdf
Galaxy Cluster Constraints on Extensions of Modified Gravity
Published in The Astrophysical Journal, 2025
In this work, we investigate the viability of EMOND and MOND + DM in the context of galaxy clusters using both observational and theoretical constraints…
Recommended citation: Diggins, E. C., & Wik, D. R. (2025). Galaxy Cluster Constraints on Extensions of Modified Gravity. The Astrophysical Journal, 989(1), 17. https://iopscience.iop.org/article/10.3847/1538-4357/adea3f/pdf
talks
The Philosophy of Science and Modified Newtonian Dynamics
Published:
This talk was given in the format of a mini-lecture (45 minutes) to the undergraduate cosmology class at the University of Utah. In it, I described the role that scientific skepticism plays in our work as scientists and described in detail the differences between MOND and the standard CDM cosmological picture. The basic theory of MOND was covered along with its many faults. Some discussion was made as to the successes of MOND and their implications for probing new physics.
Constraining Modified Newtonian Dynamics Using Galaxy Clusters
Published:
This talk was given during the Four-Corners meeting of the American Physical Society (2023) and some of the core findings from my work with galaxy clusters as constraints on modified dynamics. This talk was awarded a speaker’s award at the event.
Constraining Modified Gravity Using Galaxy Cluster Dynamics
Published:
This talk was given as part of the Honor’s Showcase at the University of Utah.
Cosmological Test Kitchen: How to Make the Milky Way in a Box
Published:
What does it take to cook up a galaxy like the Milky Way?
Collisions in the Cosmos: How Impacts Shaped our Universe
Published:
How did we get stars, planets… and beer? Cosmic collisions.
Encircle Staff Speaker @ Only Love Gala
Published:
On April 26th, 2025, I was honored to speak as a staff member at Encircle’s Only Love Gala, held at Adobe in Lehi, Utah. This wasn’t just a fundraiser—it was a night filled with vulnerability, celebration, and truth-telling from LGBTQ+ youth, families, and community members across the state.
A Brief Introduction to Gravitational Waves
Published:
How can we use gravitational waves to answer questions about the cosmos?
teaching
Philosophy of Science
Student Lecture Series Seminar, University of Utah, Department of Physics and Astronomy, 2024
This talk was presented as the inaugural talk in the University of Utah’s Physics and Astronomy Student Lecture Series.