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Alika [10]
3 years ago
9

Please help me!!! Explain how astronomers use red shift and blueshift.

Geography
1 answer:
krok68 [10]3 years ago
6 0
Astronomers use redshirts to track the rotation of our galaxies, tease out the subtle tug of a distant plant on its parent star, and measure the expansion rate of universe.
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