Question

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.

Answer 1

Answer: The answer is B

Step-by-step explanation:

A blueshift is moving close too the person seeing it, A redshift is moving away therefore it is a B.

Answer 2

Answer: d is the answer

Explanation becsaue it is