Multiple Choice
When we say that a cluster of galaxies is acting as a gravitational lens, what do we mean?
A) It bends or distorts the light coming from galaxies located behind it.
B) The overall shape of the cluster is that of a lens.
C) It magnifies the effects of gravity that we see in the cluster.
D) It is an unusually large cluster that has a lot of gravity.
Correct Answer:

Verified
Correct Answer:
Verified
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