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Gravitational lensing angle equation

  1. Jan 17, 2010 #1
    Hello.

    In the attached a diagram there are 2 stars on the left, the upper star is the apparent position as veiwed from Earth and the lower star the true position. The central star is the Sun

    Could anyone give or direct me to an equation for the angle by which the light is deflected aº in the attached diagram.
     

    Attached Files:

  2. jcsd
  3. Jan 17, 2010 #2

    Jonathan Scott

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    Gold Member

    See the Wikipedia article on "http://en.wikipedia.org/wiki/Gravitational_lensing" [Broken]". The relevant formula appears in the section "Explanation in terms of space-time curvature".
     
    Last edited by a moderator: May 4, 2017
  4. Jan 18, 2010 #3
    Thx for your reply Johnathan, i never thought to look on there. lots of interesting stuff.
     
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