COSMIC PERSPECTIVE
COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135729458
Author: Bennett
Publisher: PEARSON
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Chapter 23, Problem 46EAP
To determine

Importance of Dark matter for the existence of life.

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Hubble's law. Hubble found that distant galaxies are receding with a velocity proportional to their distance from where we are on Earth. For the ith Galaxy, vi=H0ri With us at the origin. Show that this recession of the galaxies from us does not imply that we are at the center of the universe. Specifically, take the Galaxy at r1 as a New origin and show that Hubble's law is still obeyed.
What is cosmic infalation ? Explain it.
Describe what is meant by Olbers’ paradox. Explain how it is solved by our modern understanding of the Universe.

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COSMIC PERSPECTIVE

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