Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 33 - Astrophysics and Cosmology - Questions: 9

Answer

If the universe were found not to be expanding, we would have to look critically at the Big Bang theory.

Work Step by Step

However, even if the redshift of spectral lines were found to be due to a factor other than expansion, the uniformity of the cosmic background microwave radiation supports a theory of expansion.
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