Saturday, May 23, 2020


2 comments:


  1. black holes explained ....
    A black hole is a location in space with such a strong gravitational field that the escape velocity exceeds the speed of light.




    ReplyDelete

  2. black holes explained ....
    A black hole is a location in space with such a strong gravitational field that the escape velocity exceeds the speed of light.




    ReplyDelete

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