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OpenStudy (anonymous):
Which statement is true concerning the evidence for black holes? Scientists can see black holes with powerful telescopes. Scientists can see the effect of black holes on nearby stars. Scientists can see trails left in space by black holes. There is no evidence for black holes.
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OpenStudy (anonymous):
Flvs sucks dont it... and the answer is the second one Scientists can see the effect of black holes on nearby stars(:
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