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 *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 ▀▀▀▀▀▀ To stay on top of space news, sign up to the Astrum newsletter: Astrum Displate Posters: Astrum Merch: Join us on the Astrum discord: A huge thanks to our Patreons who help make these videos possible. Sign-up here to support the channel: ▀▀▀▀▀▀ Astrum Podcast on Spotify: Astrum Earth: @AstrumEarth Astrum Extra: @astrumextra Astrum Spanish: @astrumespanol Astrum Portuguese: ▀▀▀▀▀▀ 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