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The Recession Speed of Spiral Galaxies May Also Render Their

Question 21

Multiple Choice

The recession speed of spiral galaxies may also render their colors ________ due to ________.


A) bluer; relativistic beaming
B) bluer; a Doppler-like effect
C) redder; relativistic beaming
D) redder; a Doppler-like effect
E) redder; galactic interactions

Correct Answer:

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