Pearson eText The Cosmic Perspective Fundamentals -- Instant Access (Pearson+)
Pearson eText The Cosmic Perspective Fundamentals -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135775394
Author: Jeffrey Bennett, Megan Donahue
Publisher: PEARSON+
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Chapter 14, Problem 5QQ

Choose the best answer to each of the following. Explain your reasoning.

Given the observational evidence, it is possible that dark matter doesn’t really exist?(a) No,the evidence for it is too strong for us to think that our understanding could be in error ,(b)yes ,but if there is something wrong with our current understanding of how gravity works on large scales.(c) yes but only if all the observational themselves are in error.

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General Relativity: The Curvature of Spacetime; Author: Professor Dave Explains;https://www.youtube.com/watch?v=R7V3koyL7Mc;License: Standard YouTube License, CC-BY