Cosmic Perspective (Custom Package)
Cosmic Perspective (Custom Package)
8th Edition
ISBN: 9781323582459
Author: Bennett
Publisher: PEARSON
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Chapter 23, Problem 46EAP
To determine

When astronomers began measuring the brightness and red shifts of distant white dwarf supernovae, they found that expansion of the universe was speeding up. Were the distant supernovae brighter or fainter than expected? Why?

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Cosmic Perspective (Custom Package)

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