What difference does an astronomer see between the emission spectrum of an element in a receding star

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What difference does an astronomer see between the emission spectrum of an element in a receding star and a spectrum of the same element in the lab?

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Physical Chemistry

ISBN: 978-0716743880

7th Edition

Authors: Peter Atkins

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Question Posted: Aug 18, 2017 02:39 PM

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What difference does an astronomer see between the emission spectrum of an element in a receding star

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Physical Chemistry

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