• Question: how many black hole have there been

    Asked by JAZZBOMDER JAMING to Amanda on 17 Mar 2017.
    • Photo: Amanda Barnes

      Amanda Barnes answered on 17 Mar 2017:

      In our galaxy, the milky way, there are 100 million black holes – these form when a star burns out. There are about 100 billion stars, so the number of black holes will continue to increase

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