Our universe is not forever. We know that our universe is expanding, and the galaxies of the universe are getting further and further away. In this second video on the timeline of the universe, we look forward, and analyse the possible ways in which the universe may come to an end, and the science and evidence behind each.

Part 2/2 of my 200K subscriber special- we've gone from the start of the universe right the way through to the end. Thank you very much for watching, and thank you especially to those who have been there with me through my journey, from a tiny naff gaming channel into the operation it's become today :) I love you all!

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CREDITS AND SOURCES ========================================

THIS VIDEO'S SOUNDTRACK: ====================
- Rain Cloud Music - Emily A Sprague (YouTube Audio Library)
- Lament (Golden Light) - Devon Church (YouTube Audio Library)
- Sad Piano Wind - Coyote Hearing (YouTube Audio Library)
- Editing Beyond the Door III Again - Chris Zabriskie
- My Sins Alone Will Wake The Dead - CO.AG Music
- Fortress Europe - Dan Bodan (YouTube Audio Library)
- Had She Stayed - They Might Not (YouTube Audio Library)

All tracks by Chris Zabriskie licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Artist: http://chriszabriskie.com/

CO.AG Music:    / @co.agmusic  

FOOTAGE: ====================
- Dark Energy Expansion:    • Video  
- Animations of Expansion & Redshift:    • Unraveling the Mysteries of Dark Ener...  
- Expanding Universe Animation [Hubble ESA]:    • The expanding Universe  
- Milkdromeda Collision:    • Future Galaxy Merger [Ultra HD]  

Multiple sequences in this video were captured using SpaceEngine Pro, the virtual universe simulator! http://spaceengine.org/
Get SpaceEngine on Steam and try it for yourself: https://store.steampowered.com/app/31...

Much of the stock footage in this video was provided by Videezy.com. Check them out:
https://www.videezy.com/

- Hubble Images:    • A Space Journey (HD)  
- Green Nebula Fly-By:    • Heart Nebula - Royalty Free Footage  
- Blue Nebula Fly-Through:    • DeepSpace Nebula - Free HD Stock-Foot...  
- 1-Minute Galaxy Zoom:    • 4K Galaxy And Nebula Motion Background  
- Satellite Dish: https://www.videezy.com/members/beach... - Provided by Beachfront under a Creative Commons license

SOURCES OF INFORMATION: ====================
- Expansion of the Universe Animation:    • The expanding Universe  
- Dark Energy Expansion of the Universe:    • Unraveling the Mysteries of Dark Ener...  
   • Video  
- Four possibilities: http://www.bbc.co.uk/earth/story/2015...
- Hawking Points: https://arxiv.org/abs/1808.01740
- Vacuum Decay: https://cosmosmagazine.com/physics/va...
- The Big Slurp: https://www.nbcnews.com/sciencemain/w...
- Rate of Expansion Figure: https://www.space.com/33306-how-does-...