The Distance Between Galaxies Is Worse Than You Think
The Distance Between Galaxies Is Worse Than You Think For the closest ones, the answer is already almost unimaginable. At Voyager 1’s speed, even nearby galaxies require billions of years.
But keep travelling outward and something stranger happens.
Eventually, the numbers stop getting larger because the journey becomes impossible.
In this documentary, we travel from the Magellanic Clouds and Andromeda to the Virgo Cluster and finally to the cosmic boundary beyond which even a light-speed spacecraft leaving Earth today could never arrive.
The reason is not simply distance. Space itself is expanding.
As that expansion accelerates, more galaxies cross beyond the region we could ever physically reach. Today, only a small fraction of the observable Universe remains accessible even in principle.
The Universe is much larger than the part of it we could ever visit.
And that reachable part is getting smaller.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
https://app.envato.com/music / https://artlist.io/
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00:00 94% of Galaxies Are Already Gone
1:11 The Ruler Gets Absurd Fast
2:57 The Galaxies Next Door
4:34 Andromeda Breaks the Timeline
6:49 The Edge of Everything We Call Home
8:39 Where Our Fastest Machine Fails
10:18 Why “10 Billion Light-Years Away” Is Misleading
11:22 The 18-Billion-Light-Year Wall
13:47 When Travel Time Stops Existing
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#insanecuriosity #galaxy #spacedistanceinterstellar travelspace traveldistancescalephysicscosmologyLINK