Astronomically Speaking... - With Ben Bromley - ATBS #41

This week we look to the night skies with Theoretical Astronomer Ben Bromley. Ben is a professor at the University of Utah working in theoretical and computational astrophysics, with focus on planet formation, galactic dynamics, as well as some relativistic astrophysics Today we discuss the unknown aspects of our universe including our local solar system, dark matter, and dark energy.If you like what you hear please consider contributing on Patreon. Our patrons gain early access to episodes as well as our Patron only podcast Some Things Big And Small.https://www.patreon.com/atbsthepodcastProgram Notes:0:00 Intro and background2:00 Ben begins about 100 years ago - What did we know?What are the fuzz balls ? Galaxies are getting further & further apart. We live in a sea of galaxies which is expanding in space and time. What?Big Bang.12:00 Three Pillars of Cosmology 18:00 More on the hot big bang25:00 Fritz Zwicky - Dark Matter34:00 The Bullet Cluster38:00 Dark Energy47:00 We don’t know, what we don’t know.References:Ben Bromley - https://faculty.utah.edu/u0095165-Ben_Bromley/hm/index.hmlHubble - https://en.wikipedia.org/wiki/Hubble_Space_TelescopeMargaret Geller - https://en.wikipedia.org/wiki/Margaret_GellerLarge Scale Structures - https://en.wikipedia.org/wiki/Observable_universe#Large-scale_structureFritz Zwicky - https://en.wikipedia.org/wiki/Fritz_ZwickyVera Rubin - https://en.wikipedia.org/wiki/Vera_RubinBullet Cluster - https://en.wikipedia.org/wiki/Bullet_ClusterDark Energy - https://earthsky.org/space/definition-what-is-dark-energy#:~:text=Dark%20energy%20is%20the%20name,learned%20the%20universe%20is%20expanding.NASA Imiges - https://www.nasa.gov/multimedia/imagegallery/index.htmlNasa’s Cassini Mission (Images) - https://www.nasa.gov/mission_pages/cassini/images/index.htmlPluto Charon Binary - https://www.space.com/32032-charon.htmlDark Energy Survey - https://www.darkenergysurvey.org/the-des-project/overview/