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trouble
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From an outsiders view, it appears that the old shell theorem is relevant to the dark matter issue: If one views a spherical cluster of galaxies as an interconnected structure, gravity would increase linearly with distance from the center and be greatest at the edge of the cluster.
For a spiral galaxy, that is more like a disk, there would be much less variation with distance ( a flat disk having none at all ) and orbital velocities should still be higher than expected when denying the applicability of the shell theorem.
I am wondering weather this proposition has been discussed anywhere and, if so, where? I would like to read up on it.
Thank you in advance.
For a spiral galaxy, that is more like a disk, there would be much less variation with distance ( a flat disk having none at all ) and orbital velocities should still be higher than expected when denying the applicability of the shell theorem.
I am wondering weather this proposition has been discussed anywhere and, if so, where? I would like to read up on it.
Thank you in advance.