Is there a Center of the Universe?

(Starts With A Bang!) – Ethan Siegel:

Perhaps the Universe has a finite shape and a finite size, but if it does, that information is inaccessible to us. The portion of the Universe observable to us is finite, and that information isn’t contained within it.

What we’re sure of is that it’s expanding, it’s getting less dense, and the farther away we look, the farther back in time we’re able to see. …

starts-with-a-bang 8c19622db821

Two Micron All-Sky Survey (2MASS)

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