Beyond the Cosmic Horizon
In 2012, NASA scientists detected the most distant galaxy we have ever discovered, MACS0647-JD. This galaxy's light is only just reaching us, after over 13 billion years. We now believe that galaxy to have receded as far as 46BN light years away from Earth. But how can this be? This surely means that distant galaxies are receding away from us at the speed of light- something that should be impossible by the laws of Special Relativity. However, a massive 96% of the billions of galaxies we have observed have already disappeared over the cosmic horizon- and we will never get the chance to reach them. Today, we discuss the cosmic horizon, accelerating expansion, and the total awesome size of this universe. FOLLOW MY NEW TWITTER! https://twitter.com/SEA_yt_ Can't get enough of the creepy videos? Binge on the Creepy Playlist here! https://www.youtube.com/playlist?list=PLkoaIad9k4NIrIs-70DHJiDPXXFvRjWQQ See the feature-length Dark Web documentary here! https://youtu.be/ahWedETAxcY Want more videos? Click here to subscribe: https://www.youtube.com/sea1997?sub_confirmation=1 Join the NEW, OFFICIAL PARTNER #SeaSquad 100K Discord Server! https://discord.gg/SEA FOOTAGE: - 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: http://bit.ly/1THLPL7 - Star Trails from Earth: http://bit.ly/29Qw9Wf - Milky Way & Andromeda Collision: - Nebula 360: http://bit.ly/1THLPL7 - Pixel Orb: http://bit.ly/1THLPL7 MUSIC: - CO.AG: This Fascinating World https://youtu.be/hhe9NYL8XOU - Chris Zabriskie: Stories About the World That Once Was http://bit.ly/2VJATr6 - Chris Zabriskie: They Call it Nature http://bit.ly/2UEaYk3 - 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
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