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 - Misconceptual Questions - Page 981: 10

Answer

Choice A.

Work Step by Step

Gravity, a large-scale attractive force, would slow down the universe’s expansion. Because the expansion is happening even faster, something is providing that energy. We call this “dark energy.”
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