How Scientists Got Dark Energy All Wrong

A new discovery reveals dark energy is running out of steam. If you love learning about science as much as I do, head to http://brilliant.org/astrum to learn for free for a full 30 days. You'll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant. ▀▀▀▀▀▀ New data from DESI just challenged everything we thought we knew about the fate of the cosmos. Is our standard model of the universe officially broken? From the Big Bang to Big Freeze, or a potential Big Crunch - the ending of the universe’s story just changed. ▀▀▀▀▀▀ 0:00 The Fate of Our Universe 3:05 Discovery of Dark Energy 4:47 What Is Dark Energy? 6:03 The Standard Model of Cosmology 9:47 Dark Energy Is Changing 15:58 Big Crunch 17:21 Are Our Models Wrong? 20:25 What’s Next? ▀▀▀▀▀▀ To stay on top of space news, sign up to the Astrum newsletter: https://astrumspace.kit.com Astrum Displate Posters: https://displate.com/astrumspace?art=... Astrum Merch: https://astrum-shop.fourthwall.com/ Join us on the Astrum discord:   / discord   A huge thanks to our Patreons who help make these videos possible. Sign-up here to support the channel: https://bit.ly/4aiJZNF ▀▀▀▀▀▀ Astrum Podcast on Spotify: https://open.spotify.com/show/6jPRrbq... Astrum Earth:    / @astrumearth   Astrum Extra:    / @astrumextra   Astrum Spanish:    / @astrumespanol   Astrum Portuguese:    / @astrumbrasil   ▀▀▀▀▀▀ References: “Discovery of an Accelerating Universe”, via harvard.edu https://astrumspace.info/reiss_1998 “What is dark energy?”, via nasa.gov https://astrumspace.info/darkenergy “The Cosmological Constant and Dark Energy”, via ned.ipac.caltech.edu https://astrumspace.info/lambda_cdm “Standard Candles: Type Ia Supernovae”, via cfa.harvard.edu https://astrumspace.info/supernovatypes “DESI opens access to the largest 3D map of the universe yet”, via lbl.gov https://astrumspace.info/desimap “New constraints on dark energy from DES observations”, via iop.org https://astrumspace.info/des_constraints “DESI Data-Release II: BAOs and Cosmological Constraints , via arxiv.org https://astrumspace.info/desi_dr2 “After 33 billion years, the universe may end in a Big Crunch”, via cornell.edu https://astrumspace.info/bigcrunch “Modified gravity theory eliminates the need for dark energy”, via advancedsciencenews.com https://astrumspace.info/modifiedgravity “Faster-than-light neutrinos show science in action”, via scientificamerican.com https://astrumspace.info/ftlneutrinos ▀▀▀▀▀▀ Credits: Writer: Michelle Babcock Video Editor: Alexandre Nowakowski Researcher: Shourya Shrivastava Script Editor: Damaris McColgan Thumbnail Designer: Peter Sheppard Publishing Lead: Georgina Brenner Production Manager: Raquel Taylor Edit Producer: Poppy Pinnock Head of Astrum: Jess Jordan Creator of Astrum: Alex McColgan With special thanks to: NASA/ESO/ESA #Astrum #Space #DarkEnergy