Why is the universe believed to be expanding?

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Mar 12, 2020 08:06 AM

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Why is the universe believed to be expanding?

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As observed from the distant galaxies and distant astrophysical cluste...View the full answer

The Physical Universe

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