Multiple Choice
Gravitational lensing is caused by ____.
A) refraction of light through hot intracluster gas
B) stimulated emission of light passing through dark matter
C) acceleration of photons by supermassive black holes
D) scattering of photons off of thin intergalactic dust
E) bending of light rays due to the curvature of space-time around a mass
Correct Answer:

Verified
Correct Answer:
Verified
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