"Dark matter" is matter that gives out no observable radiation and is detected by its gravitational interaction alone.Some of our evidence for dark matter comes from all of the following EXCEPT ONE.Which is the exception?
A) separation of visible and dark matter in collisions of galaxy clusters
B) emission from hot intergalactic gas in galaxy clusters
C) gravitational lensing by unseen objects
D) insufficient visible mass to bind galaxy clusters gravitationally
Correct Answer:
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