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Author Question: Ask yourself a question concerning the unknown beyond our universe. If you wish, answer the ... (Read 18 times)

rayancarla1

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on: Jul 28, 2018
Ask yourself a question concerning the unknown beyond our universe. If you wish, answer the question.

Question 2

How big is the universe? You calculated the radius of the Hubble Volume (the observable universe) in Procedure 3 . Is it possible to calculate the radius of the entire (everything that is) universe? Justify your answer. (Hint: Consider the expansion rate.)


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Koolkid240

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Reply #1 on: Jul 28, 2018
Answer to Question 1

Students with good imaginations may have questions or views about what lies
beyond our current limits of observation. Formulating and discussing such questions
may be fun, but it must be remembered that any speculations about these regions of
space are not backed up by any concrete data and must be treated as possibilities
only.

Answer to Question 2

Since space appears to be expanding and accelerating, the radius must be increasing.
Our present data places no limits on this expansion and since it is space itself that is
expanding, we cannot begin to calculate the location of an outer edge even if such an
edge does exist. Because of this we cannot determine how big the universe is so no
total radius can be calculated.


rayancarla1

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Reply #2 on: Jul 28, 2018
TY


Koolkid240

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Reply #3 on: Jul 28, 2018
You're welcome


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