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A distant galaxy is known to be moving away from Earth. Light is emitted from a star in that galaxy and then detected on Earth.

Which of the following statements describes how the detected frequency compared with the emitted frequency?

A

The detected frequency appeared higher and made the light appear more red.

B

The detected frequency appeared higher and made the light appear more blue.

C

The detected frequency appeared lower and made the light appear more red.

D

The detected frequency appeared lower and made the light appear more blue.

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