28-August-2009, 01:57 AM
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Order of Kilopi
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Join Date: Mar 2004
Posts: 13,980
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Welcome to BAUT Forum.
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Originally Posted by Adgeless
How do jets of material shoot up from the poles of black holes. Why at the poles? Why 90 degrees to the accretion disc?
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Wikipedia: Relativistic jet
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It is believed that the twisting of magnetic fields in the accretion disk collimates the outflow along the rotation axis of the central object, so that when conditions are suitable, a jet will emerge from each face of the accretion disk. [...] Popular mechanisms for the creation of jets and the composition of jets are still a matter of much debate in the scientific community.
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Wikipedia: Polar jet
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While it is still mostly a mystery to physicists how polar jets are formed and powered, the two most often proposed origins of this power are the central object (such as a black hole), and the accretion disk.
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