[Interview] Early Dark Energy and Other Possible Solutions for The Crisis in Cosmology
Universe Today Podcast - A podcast by Fraser Cain
The so-called Crisis in Cosmology didn't go anywhere. Different methods are giving different values for the Hubble Constant creating one of the most interesting mysteries in Astronomy. What possible solutions do we have? Discussing them with Dr Sunny Vagnozzi. š Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension Sunny Vagnozzi https://arxiv.org/abs/2308.16628 More interviews: š A Big Problem with Modern Science Communication https://youtu.be/zGV6mZuULj8 š Understanding Dark Energy With Most Detailed Supernovae Survey https://www.youtube.com/watch?v=2Y6KK94GaXc&ab_channel=FraserCain š¦ Support us on Patreon: https://patreon.com/universetoday š Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 02:00 What is the Hubble Tension 06:56 Implications of Early Dark Energy 10:45 Consistency of Lambda-CDM 17:37 Early ISW effect 28:17 Relative ages of old galaxies 33:22 Descending trends 35:46 How will we know it's right or wrong 43:10 What might be the answer 48:03 Current obsessions 51:14 More thoughts and more interviews šŗ VIDEO VERSION https://youtu.be/XRKX9ElmOQk š° EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter š§ PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ š¤³ OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday š© CONTACT FRASER [email protected] āļø LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast