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Gravitational capture

  1. Jun 18, 2013 #1
    Hi, the wikipedia article on binary stars in the formation section claims that conservation of energy forbids a single object from capturing another. If this is true how so?
     
  2. jcsd
  3. Jun 18, 2013 #2

    Simon Bridge

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    It is a consequence of the math ... try to find a situation where two objects are not gravitationally bound to each other but move into a position where they are gravitationally bound.

    Basically, to do that, one or both objects has to lose energy ... where to?
     
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