(a) Why did astronomers expect that the expansion rate of the universe would be decreasing (decelerating) with...

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(a) Why did astronomers expect that the expansion rate of the universe would be decreasing (decelerating) with time?
(b) How, in principle, could astronomers hope to determine whether the universe used to expand faster than it does now?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Oct 05, 2017 09:25 AM

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(a) Why did astronomers expect that the expansion rate of the universe would be decreasing (decelerating) with...

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a Gravity between galaxies should be pulling the galaxies back together slowing the expans...View the full answer

Physics Principles with Applications

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