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A question google isn't answering

  1. Oct 14, 2012 #1
    How do particles moving around a nucleus, planetary and other objects moving around a star, stars.. solar systems and other moving objects moving around a black hole.. and all basically behaving the same in relation to their center nucleus, star, and black hole all get governed by different laws? Particles with strong force... Larger objects governed by gravity I think. But they all move around a center point.
     
  2. jcsd
  3. Oct 14, 2012 #2

    Drakkith

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    Staff: Mentor

    Objects with more mass take more force to accelerate and move. This means that larger, more massive objects such as stars are moved less by their planets. BOTH still orbit around a common center of mass, but the star's orbit is FAR smaller thanks to it's larger mass and the fact that the force from the planets is much smaller than the stars force on them.

    http://en.wikipedia.org/wiki/Barycentric_coordinates_(astronomy)

    Electrons around a nucleus are...a little different. They require a description using Quantum Mechanics and is much more in depth.
     
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