Answers IN-Earth and Space Science A Unit Test — Unit testQuestion 14

14

QuizMultiple Choice

Unit Test — Unit test

Question 14 of 25 • IN-Earth and Space Science A

Which describes redshifts? Check all that apply.

Answer

A

The light source and observer move closer together.

B

Observed light shifts to a longer wavelength.

C

They indicate receding galaxies.

D

Observed light shifts to a shorter wavelength.

E

The light source and observer move farther apart.

F

They indicate approaching galaxies.

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