Science

Observable universe

What is the size of the Universe ?

What is the size of the Universe (in light years)? Is the size of the Universe expanding, and if so, at what rate? Will it continue to do so, or will it stop at some point, then begin to contract?

Observable universe

The size of the Universe is not known, but is thought to be hundreds or thousands of times larger than the size of the “observable” Universe, which is the portion small enough that light has had time to get from “there” to here. The radius of the observable Universe in light years is therefore considered to be the same as its age in years, or a little less than 14 billion.

 

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Mario Noioso

IBMer, engineer, technology enthusiast, inventor, coder, gamer, Linux lover, bassist wannabe, TBD. Nerd since 80s.

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