DESI Observations Confirm Possible New Physics in Cosmology

Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3QFIrFX Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Hello and welcome! My name is Anton and in this video, we will talk about new observations that suggest something is wrong with the expansion of the universe Links: https://data.desi.lbl.gov/public/papers/y3/KP.DR2.BAO.pdf https://arxiv.org/abs/2502.12667 https://arxiv.org/abs/2503.06712 https://astro.ucla.edu/~wright/BAO-cosmology.html Previous videos: https://www.youtube.com/watch?v=Op2pgd5Kny4 https://youtu.be/wp8zHG1g7bc https://www.youtube.com/watch?v=fnF_Xr-UDlo https://www.youtube.com/watch?v=b9u86tRuViU https://www.youtube.com/watch?v=R5iRJ3tyd7E https://www.youtube.com/watch?v=xoDPPuhASGw https://www.youtube.com/watch?v=m9M3yw0J9DQ #desi #darkenergy #universe 0:00 DESI results that shocked everyone 2:38 Cosmological constant 4:10 BAO - baryon acoustic oscillations 8:30 Main purpose of DESI investigation 9:40 New study and the main discovery 10:35 Major problem - no match 12:10 Evolving constant? 13:05 Explanations - quintessence and timescape models 14:00 Conclusions and what's next? Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath Bitcoin/Ethereum to spare? Donate them here to help this channel grow! bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4 or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF Space Engine is available for free here: http://spaceengine.org Enjoy and please subscribe. Twitter: https://twitter.com/WhatDaMath Facebook: https://www.facebook.com/whatdamath Twitch: http://www.twitch.tv/whatdamath The hardware used to record these videos: New Camera: https://amzn.to/34DUUlv CPU: https://amzn.to/2LZFQCJ Video Card: https://amzn.to/2M1W26C Motherboard: https://amzn.to/2JYGiQQ RAM: https://amzn.to/2Mwy2t4 PSU: https://amzn.to/2LZcrIH Case: https://amzn.to/2MwJZz4 Microphone: https://amzn.to/2t5jTv0 Mixer: https://amzn.to/2JOL0oF Recording and Editing: https://amzn.to/2LX6uvU Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid. Thank you to all Patreon supporters of this channel Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships Credit: Claire Lamman/DESI Collaboration DESI maps distant objects to study dark energy. Credit: KPNO/NOIRLab/NSF/AURA/B. Tafreshi DESI https://www.youtube.com/watch?v=fQkFS5yot5I Licenses used: https://creativecommons.org/licenses/by/4.0/ https://creativecommons.org/licenses/by-sa/4.0/ https://creativecommons.org/licenses/by/3.0/ https://creativecommons.org/licenses/by-sa/3.0/ https://creativecommons.org/licenses/by/2.5/ https://creativecommons.org/licenses/by-sa/2.5/ https://creativecommons.org/licenses/by/2.0/ https://creativecommons.org/licenses/by-sa/2.0/