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Beyond the Cosmic HorizonIn 2012, scientists detected the most distant galaxy discovered to date. This galaxy is now expected to be over 46 billion light years from the Earth, at the very edge of the observable universe. But what differentiates the observable universe and the rest of the universe? Today, we examine how a 13 billion year-old universe can be hundreds of billions of light years in diameter, and what might be waiting for us behind the barrier of the cosmic horizon. Want to learn more about dark energy? Check out my other video: https://youtu.be/XqbznIg9LFk FOLLOW MY NEW TWITTER! https://twitter.com/SEA_yt_ Join the NEW, OFFICIAL PARTNER #SeaSquad 100K Discord Server! https://discord.gg/SEA FOOTAGE: - Observable Universe Logarithmic Illustration: https://fb.me/observableuniverse (Artist: https://www.youtube.com/channel/UCPOu7Xqg4jqrO4o3MZm-Baw) - 8 Minute Space Journey: https://youtu.be/Un5SEJ8MyPc - Green Nebula Fly-by: https://youtu.be/JbC6KVzn-m0 - Cruising Through: https://youtu.be/EaM9kDPa_AY - Light Travelling Demonstration: https://www.youtube.com/watch?v=3OiSoptcEDs - Particles: https://www.youtube.com/channel/UCDyoFl3axaufRwkpBA38-1w - Galaxy Loop: https://youtu.be/7NyEX8DjOTw - Earth Footage: https://www.videezy.com/ - Star Trails from Earth: https://www.videezy.com/members/bk-vids - Milky Way & Andromeda Collision: - Nebula 360: https://www.videezy.com/ - Pixel Orb: https://www.videezy.com/ MUSIC: - CO.AG: This Fascinating World https://youtu.be/hhe9NYL8XOU - Chris Zabriskie: Stories About the World That Once Was https://soundcloud.com/chriszabriskie/stories-about-the-world-that-once-was?in=chriszabriskie/sets/music-from-neptune-flux - Chris Zabriskie: They Call it Nature https://soundcloud.com/chriszabriskie/they-call-it-nature - Popular Playlists! - • Creepy Playlist: https://goo.gl/Gxoqyy • Out of this World: https://goo.gl/AV9ePP • Conspiracy Cases: https://goo.gl/mqmF6P • G-News: https://goo.gl/17K9yu - Out of this World - • The Fermi Paradox: https://youtu.be/lFypvFYO7LQ • The Cold Spot: https://youtu.be/PQHhLHh_8go • Bootes Void: https://youtu.be/SPtSBLpyBu4 - Conspiracy Cases - • 11B-X-1371 Mystery: https://youtu.be/FK314DWnPGs • Dyatlov Pass Incident: https://youtu.be/zkdAUESx7Vk • Denver Airport Conspiracy: https://youtu.be/mUKHMGDe6-w - GD - • G-NEWS: https://goo.gl/17K9yu • "The Best Of" Lists: https://goo.gl/412EaD • Community Commentary: https://goo.gl/tgJvPv • Full GD Playlist: https://goo.gl/dWkXfo - Maps From Hell Series - • Bloodlust Episode: https://youtu.be/W1D2Dxvi0cg • Yatagarasu Episode: https://youtu.be/mmi8db-JV2E • Plasma Pulse Series Episode: https://youtu.be/-plAW84qvB4