Light That Is Emitted by an Object near a Black

question 40

Multiple Choice

Light that is emitted by an object near a black hole is redshifted because

• A) the photons are moving away from us very quickly as they are sucked into the black hole.
• B) the photons are moving increasingly faster in order to escape the pull of the black hole.
• C) photons must "borrow" energy in order to escape the black hole.
• D) the object is heating up due to gravitational tidal forces.
• E) of gravitational time dilation.

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