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11 November, 15:41

How can a black hole be detected even though its gravitational field is too strong for light to escape?

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  1. 11 November, 18:12
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    We can infer the presence of black holes and study them by detecting their effect on matter nearby.
  2. 11 November, 18:12
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    Scientists detect their effect on the matter nearby, say if a normal star passes near a black hole, the black hole will pull it towards itself tearing it apart, as the attracted matter accelerates it emits x-rays that radiate in space till it reaches the Earth.
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