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Universe Time Line
Our Universe consists of galaxies and galaxy clusters expanding at an accelerating rate in all directions connected by a cosmic web of gravity. Is there a boundary to the Universe and therefore to an ultimate map of the Universe? Is the Universe infinite in all directions?
Would a map of the Universe be the ultimate map created by humanity? Time will tell, but Anthony Aguirre has an even bigger idea. What if there are other Universes, even an infinity of Universes? Could these Universes ultimately be mapped in relation to our Universe and others? That would truly be the ultimate, and never-ending, map!
How Big Is The Universe? (BBC)
It is one of the most baffling questions that scientists can ask: how big is the Universe that we live in?
Horizon follows the cosmologists who are creating the most ambitious map in history - a map of everything in existence....
See more about the video here.
Temperature Map of the Measurable Universe: WMAP Full Sky 7 Years