The End of the Universe Explained to Fall Asleep To | 2 Hours of Calm Space Facts

Drift off on a slow, calm journey to the end of time: the Sun's last days, Andromeda, dark energy, the Big Crunch, the Big Rip, vacuum decay, the last stars, the black hole era and the long quiet of heat death. Watch next: Black Holes Explained to Fall Asleep To    • Black Holes Explained to Fall Asleep To | ...   Subscribe for more calm space science:    / @scaleofeverythinghq   Every episode:    • Every Thing Explained   Soft narration, no sudden sounds, and the screen fades to near-black in the last chapter. Every number is sourced below; where scientists disagree, we say so. Chapters: 0:00 Settling In: How Will the Universe End? 10:31 Our Sun's Last Days 22:08 When the Milky Way Meets Andromeda 32:17 Dark Energy and the Expanding Universe 42:59 The Big Crunch and the Big Rip 53:06 Vacuum Decay: A Quiet Possibility 1:03:16 The Lonely Universe 1:13:27 The Last Stars 1:23:27 The Degenerate Era: Dead Stars and Fading Matter 1:34:24 The Black Hole Era 1:44:33 Heat Death and the Long Quiet Sources: https://doi.org/10.1093/mnras/91.5.483 https://www.pnas.org/doi/10.1073/pnas... https://www.nature.com/articles/s4155... https://www.nobelprize.org/prizes/phy... https://www.desi.lbl.gov/2025/03/19/d... https://home.cern/science/physics/hig... https://ui.adsabs.harvard.edu/abs/199... https://www.nature.com/articles/248030a0 https://journals.aps.org/prd/abstract... https://journals.aps.org/rmp/abstract... arXiv papers (arxiv.org/abs/ID): 1807.06209, 0801.4031, 1205.6865, 2408.00064, 1809.09116, astro-ph/9805201, astro-ph/9812133, 2506.24011, astro-ph/0302506, 1707.08124, 0704.0221, 1403.0007, astro-ph/9701131, 1908.00370, 2010.16098, 2008.02296, hep-th/0111030, 1011.3706 Image credits: Hubble Ultra Deep Field: NASA, ESA, and S. Beckwith (STScI) and the HUDF Team† The Milky Way panorama: ESO/S. Brunier† The Hubble eXtreme Deep Field: NASA, ESA, G. Illingworth, D. Magee, and P. Oesch, R. Bouwens, and the HUDF09 Team† The cosmic microwave background: NASA/WMAP Science Team Webb's First Deep Field, Stephan's Quintet: NASA, ESA, CSA, and STScI† The Hubble Legacy Field: NASA, ESA, G. Illingworth and D. Magee, K. Whitaker, R. Bouwens, P. Oesch, and the Hubble Legacy Field team.† The Sun, The Sun in ultraviolet: NASA/SDO Earth: NASA/NOAA/GSFC/Suomi NPP/VIIRS/Norman Kuring The Helix Nebula: ESO† The Ring Nebula: ESA/Webb, NASA, CSA, M. Barlow, N. Cox, R. Wesson† The Cat's Eye Nebula: ESA, NASA, HEIC and The Hubble Heritage Team (STScI/AURA)† Sirius A and its tiny companion Sirius B: NASA, ESA, H. Bond (STScI), and M. Barstow† The Southern Ring Nebula: NASA, ESA, CSA, STScI, and the Webb ERO Production Team† Andromeda Galaxy: NASA, ESA, J. Dalcanton, B. F. Williams, L. C. Johnson, the PHAT team, and R. Gendler.† Earth's sky as Andromeda draws near, Andromeda filling Earth's sky, Merging galaxies in Earth's sky, The merged galaxy in Earth's sky (2012 illustrations): NASA, ESA, Z. Levay and R. van der Marel (STScI), T. Hallas, and A. Mellinger† The Antennae: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: B. Whitmore and James Long (ESA/Hubble).† Supernova 1994D: NASA/ESA, The Hubble Key Project Team and The High-Z Supernova Search Team† Galaxy cluster Abell 2744: NASA, ESA, and J. Lotz, M. Mountain, A. Koekemoer, and the HFF Team (STScI).† Whirlpool Galaxy M51: NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)† JADES-GS-z14-0: NASA, ESA, CSA, J. Olmsted (STScI), S. Carniani, JADES Collaboration† Spiral galaxy NGC 1512: ESA/Hubble, NASA† The centre of the Milky Way: ESO/S. Gillessen et al.† Andromeda Galaxy, Pale Blue Dot Revisited, Polluted white dwarf, Pulsar, Black holes: monsters in space: NASA/JPL-Caltech Cosmic Cliffs in the Carina Nebula: NASA, ESA, CSA, STScI Pillars of Creation: NASA, ESA, CSA, STScI; J. DePasquale, A. Koekemoer, A. Pagan (STScI).† Orion Nebula: NASA, ESA, M. Robberto and the Hubble Space Telescope Orion Treasury Project Team† Proxima b and Proxima Centauri, TRAPPIST-1 planets: ESO/M. Kornmesser† Red dwarf superflare: NASA's Goddard Space Flight Center/S. Wiessinger Westerlund 2: NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team† Merging neutron stars: ESO/L. Calçada/M. Kornmesser† Black hole accretion disk: NASA's Goddard Space Flight Center/Jeremy Schnittman M87*, Sagittarius A*: EHT Collaboration† Material orbiting close to a black hole: ESO/Gravity Consortium/L. Calçada† Two black holes colliding: NASA † CC BY 4.0 Visuals: real NASA, ESA, ESO, STScI and EHT images, plus agency artist's impressions and simulations (labelled on screen). No AI-generated images. #space #sleep #universe