Multiple Choice
A photon escaping from a large mass is gravitationally redshifted.What happens to the color of an object falling toward a black hole (observed from far away) ?
A) The color of the object will be blueshifted.
B) The color of the object will remain unchanged.
C) The color of the object will be redshifted because the photons reaching our eyes are escaping the vicinity of the black hole.
D) As the object accelerates toward the black hole, moving faster and faster, the idea of color ceases to have meaning as the photons shift from visible violet to ultraviolet and then X-rays and gamma rays.
Correct Answer:

Verified
Correct Answer:
Verified
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