Suppose a Supermassive Black Hole Moves Across the Line of Sight

question 70

Multiple Choice

Suppose a supermassive black hole moves across the line of sight to a distant star,as shown in the figure below.How will the star appear to change to an observer on Earth?

• A) The star's light will be trapped by the black hole, and we will not see it.
• B) The star's light will become bluer.
• C) The star's light will become redder.
• D) We will see multiple images of the star.

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