Can Colliding Stars Snap the Hubble Tension?

Cosmologist Hiranya Peiris joins Brian Greene to discuss pressing cosmological mysteries spanning dark matter, dark energy, the expansion rate of space, and the possibility of a multiverse. This program is part of the Big Ideas series, supported by the John Templeton Foundation. Participant: Hiranya Peiris Moderator: Brian Greene 00:00 - Introduction 01:06 - Welcome Hiranya Peiris 07:45 - "Just Six Numbers" of the universe 11:22 - Inflationary theory is just a toy model 17:01 - What is the confidence that Dark matter is real? 28:52 - AXIONS and the strong CP problem 39:15 - Lessons from WMAP 45:22 - The Vera Rubin Telescope: A New Era in Astronomy 49:34 - How AI Will Analyze Astronomical Data 52: 45 - A Gravitational Wave Compact Object Merger of Neutron Stars 01:05:38 - What We Know About Dark Energy Today 01:14:11 - The Multiverse: Science or Speculation? 01:22:11 - The Power of Quantum Simulations 01:32:50 - Credits VISIT our Website: http://www.worldsciencefestival.com FOLLOW us on Social Media: Facebook: / worldsciencefestival Twitter: / worldscifest Instagram: https://www.instagram.com/worldscifest/ TikTok: https://www.tiktok.com/@worldscifest LinkedIn: https://www.linkedin.com/company/world-science-festival #worldsciencefestival #briangreene #cosmology #astrophysics