Why is detecting a triple system composed primarily of dormant, stellar-mass black holes particularly challenging?
Answer
They may lack a large, active accretion disk, making them incredibly faint, akin to spotting cold specks.
Systems composed primarily of dormant, stellar-mass black holes are incredibly faint because they may lack a large, active accretion disk—the superheated material that makes some black holes shine brightly in X-rays.
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Astronomers Uncover First Triple Black Hole, Evidence of Gentle ...
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