Chemistry, 27.09.2021 19:20 addisonrausch

The diagram provided shows the emission spectrum of sodium from three different galaxies as observed from Earth, along with the sodium spectrum as observed in laboratory conditions. The expected red shift that supports the idea of an expanding universe would predict that the order of these three galaxies, from closest to farthest, is which of the following? OPTIONS

Galaxy 1, Galaxy 3, Galaxy 2

Galaxy 2, Galaxy 3, Galaxy 1

Galaxy 1, Galaxy 2, Galaxy 3

Galaxy 3, Galaxy 2, Galaxy 1

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