rings or hoops
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by sisifolibre
This wonderful #S-shape have some kind of #ring s in their lobes, as if the material were returning to host or bented away symmetrically.
Any vague idea of how works his mechanics?
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by 42jkb scientist, admin in response to sisifolibre's comment.
Further investigation into the source is required to understand what is causing this structure. Two things come to mind for me. The first is that the jets are precessing. The second is that there is some surrounding gas that is "bending" the radio structure.
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