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Orbits in strongly curved spacetime

  1. Apr 15, 2012 #1
    Came across some interesting animations here...test particle orbiting a black hole:

    Orbits in strongly curved spacetime
    http://www.fourmilab.ch/gravitation/orbits/

    The precession advance of Mercury [which helped confirm Einstein's theory] is described under .......

    The Gravitational Effective-Potential

    Enjoy.
     
  2. jcsd
  3. Apr 17, 2012 #2
    I learned a lot from looking at the source code for that program, but was not happy with the "gravity well" animation because AIUI that should be a spacelike surface . . .
    Here is a similar but more advanced program, again with source available:
    http://stuleja.org/grorbits/
    GROrbits can also simulate light trajectories and those for black holes spinning in the equatorial plane.
    I use it as a check for my 4D geodesic simulations.
     
    Last edited: Apr 17, 2012
  4. Apr 17, 2012 #3
  5. Apr 17, 2012 #4
    Hmm, quite pretty, but a little too read-only for my tastes, not sure how I can learn very much from that.
     
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