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Astronomers cannot directly detect black holes because they do not emit light or any electromagnetic radiation. Instead, black holes are identified through their gravitational effects on nearby objects, such as stars and gas clouds, which exhibit unusual motion or emit X-rays when matter is accreted. Additionally, the event horizon of a black hole marks a boundary beyond which no information can escape, making direct observation impossible. Thus, astronomers rely on indirect evidence and the study of surrounding phenomena to infer the presence of black holes.

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AnswerBot

1mo ago

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