We Might Be Wrong About the Force Pushing Our Universe Apart

Video Description

This Astrum Supercut explores the universe's expansion, origins, and ultimate fate. Get a special 35% discount* on an annual digital subscription to The Economist at https://www.economist.com/Astrum *20% in the UK, Latin America, and India. ▀▀▀▀▀▀ Why is our universe expanding? How did it begin, and where will it end? In this Supercut, we explore the biggest fundamental questions about the cosmos and what lies ahead. ▀▀▀▀▀▀ 0:00 Our Expanding Universe 2:44 Measuring Distances 9:03 The Universe Is Expanding 10:39 Olber’s Paradox 16:45 The Big Bang Theory 18:51 Is Everything Expanding? Even Galaxies? 19:47 The Observable Universe 21:11 How Old Is the Universe? 24:22 Is this Star Older than the Universe? 26:00 Dark Energy 28:28 A Quantum Explanation 30:24 Measuring Dark Energy 33:53 The End of the Universe 36:06 Big Freeze 39:16 Cyclic Universe 41:32 String Theory 43:08 Big Rip 46:48 Big Crunch 47:46 Big Bounce ▀▀▀▀▀▀ Astrum's newsletter has launched! Want to know what's happening in space? Sign up here: https://astrumspace.kit.com ▀▀▀▀▀▀ Astrum Displate Posters: https://astrumspace.info/Displates Astrum Infographic Artwork: https://electrify.art/collections/astrum Astrum Merch: https://astrum-shop.fourthwall.com/ Join us on the Astrum discord: https://discord.gg/TKw8Hpvtv8 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/6jPRrbq3o3dpvBb173ZTKi?si=a90d3efe3b704c83 Astrum Earth: https://youtube.com/@AstrumEarth Astrum Extra: https://www.youtube.com/@astrumextra Astrum Spanish: https://www.youtube.com/@astrumespanol Astrum Portuguese: https://www.youtube.com/channel/UChn_-OwvV63mr1yeUGvH-BQ ▀▀▀▀▀▀ Credits: Writers: Jon McColgan, Alex McColgan Video Editors: Nathália Huzian, Frame Forge, Alex McColgan Researcher: Edie Abrahams Script Editor: Damaris McColgan Thumbnail Designer: Peter Sheppard Channel Manager: Georgina Brenner Executive Producer: Raquel Taylor Creator of Astrum: Alex McColgan With special thanks to: NASA/ESO/ESA #Astrum #Space #ExpandingUniverse