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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Galaxy rotation patterns are better explained by Birkeland currents than by dark matter.
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<blockquote data-quote="Michael" data-source="post: 73842244" data-attributes="member: 627"><p><a href="https://arxiv.org/pdf/1208.4693" target="_blank">https://arxiv.org/pdf/1208.4693</a></p><p></p><p>See equation 11 from Wiegelmann/Sakurai and notice how it matches equation 13 in Scott's paper. J and B *are* parallel/collinear in the z axis.</p><p></p><p>From Scott's paper.</p><p></p><p></p><p></p><p>Or as Wignelmann/Sakurai state:</p><p></p><p></p><p></p><p>In order to *correctly* critique Scott's paper, one has to first actually understand Scott's model properly with respect to the vector direction of j and B (including the z axis), as well as understand something about Beltrami vector fields.</p><p></p><p>Messier 82 demonstrates, it's also *critically important* to realize that plasma inside the Birkeland current can move *in either/both direction(s)*, not just one way. In addition, Alfven's homopolar generator model allows for massive objects, like objects at the centers of galaxies to induce current flows in the surrounding plasma and produce 'jets' near the poles.</p></blockquote><p></p>
[QUOTE="Michael, post: 73842244, member: 627"] [URL]https://arxiv.org/pdf/1208.4693[/URL] See equation 11 from Wiegelmann/Sakurai and notice how it matches equation 13 in Scott's paper. J and B *are* parallel/collinear in the z axis. From Scott's paper. Or as Wignelmann/Sakurai state: In order to *correctly* critique Scott's paper, one has to first actually understand Scott's model properly with respect to the vector direction of j and B (including the z axis), as well as understand something about Beltrami vector fields. Messier 82 demonstrates, it's also *critically important* to realize that plasma inside the Birkeland current can move *in either/both direction(s)*, not just one way. In addition, Alfven's homopolar generator model allows for massive objects, like objects at the centers of galaxies to induce current flows in the surrounding plasma and produce 'jets' near the poles. [/QUOTE]
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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Galaxy rotation patterns are better explained by Birkeland currents than by dark matter.
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