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Biology, 02.12.2020 18:10 Gattuso

An astronomer oberves a blue shift in the nearby Andromeda galaxy. What does that tell the astronomer.

A) The galaxy is moving away from earth
B) the galaxy is stationary
C) the galaxy is moving parallel to earth
D) The galaxy is moving towards earth.

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An astronomer oberves a blue shift in the nearby Andromeda galaxy. What does that tell the astronom...

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