edcrater wrote:
So, the currents that 'contain' the galaxy can have separate parts controlled by separate currents at the same time, and apparently with little separation; wow. And if the MW is typical, then gazillions more might be same.
That would actually be an awesome undertaking. To see whether or not this pattern is consistent with other galaxies. I'm wondering if elliptical galaxies would be different, the makeup of the plasma with which the Birkeland currents interacts would be the defining factors I would presume.
I quite enjoy seeing people work these things out. Ready for some overload?
The electric current in the heliospheric current sheet is directed radially inward, the circuit being closed by outward currents aligned with the Sun's magnetic field in the solar polar regions. The total current in the circuit is on the order of 3×109 amperes.[4] As a comparison with other astrophysical electric currents, the Birkeland currents that supply the Earth's aurora are about a thousand times weaker at a million amperes. The maximum current density in the sheet is on the order of 10-10 A/m2 (10-4 amps/km2).
It has been noted that:
"It is remarkable that the radial component of the spiral structure implies a current the continually flows towards the Sun. The charge accumulating from this process must be removed elsewhere. This occurs most simply via line currents that originate over the Sun's poles"[9] - "Physics of the Earth's Space Environment: An Introduction" via
Plasma-Universe
This supports the EQUATORIAL IN, POLAR OUT model, just like a galaxy.
This needs contrast with information provided by the Voyager data and the work of M. Opher et al:
Interaction of the Solar System with the Interstellar Medium
"
Global Asymmetry of the Heliosphere"
The Orientation of the Local Interstellar Magnetic Field - This paper is normally ensconsed behind subscription fees at Science AAAS. For some wierd reason, with Internet Explorer, you can ocassionally get the whole paper but at other times is doesn't show. The following is from that paper:
The orientation of the local interstellar magnetic field introduces asymmetries in the heliosphere that affect the location of heliospheric radio emissions and the streaming direction of ions from the termination shock of the solar wind. We combined observations of radio emissions and energetic particle streaming with extensive three-dimensional magnetohydrodynamic computer simulations of magnetic field draping over the heliopause to show that the plane of the local interstellar field is ~"60° to 90° from the galactic plane. This finding suggests that the field orientation in the Local Interstellar Cloud differs from that of a larger-scale interstellar magnetic field thought to parallel the galactic plane.
And:
A research team led by Merav Opher at Virginia's George Mason University found that, just outside the solar system, this interstellar magnetic field is inclined at a 60-degree angle relative to the plane of the Milky Way...
The solar system takes on its streamlined shape as it strikes the magnetic field at this angle, Opher explained. - "
Solar System Is "Bullet Shaped"
Also:
The findings, detailed in the May 11 issue of the journal Science, suggest the magnetic field in the galactic environment surrounding our solar system is pitched at a sharp angle and not oriented parallel to the plane of the Milky Way as previously thought. - "
Solar System Sails Sideways Through Milky Way"
Huh?...not "parallel", "pitched at a sharp angle", "inclined at a 60-degree angle" and "strikes the magnetic field at this angle". What aren't they saying? That the solar system is 60-90 degrees...
P-E-R-P-E-N-D-I-C-U-L-A-R
...to the interstellar magnetic field ["lines"]- the "Right-hand rule" applies here in full effect resulting in what? - an inbound current flow!!
How do the currents get to the Sun? Anyway they can but the polar regions and "Helment Streamers" demonstrate that the currents are flowing both ways through the polar regions ("polar plumes" would be more accurate). Probably "in" from the magnetic "field lines" of intestellar meduim as the Solar systems "cuts" through them at this 60-degree angle and "out" from the Sun to compose the heliospheric current sheet. This in relation to the formation of it's own self-organized plasma Langmuir sheet or "bubble":
Look at the arrows for current flow direction in the above image. This is also from Opher's work but I don't have linkage readily available. Downloaded .pdf some while ago. Considering these "Helment Streamers" so called "Coronal Holes" and/or "polar plumes". could well be the Sun's version of it's own "aurora"-like dynamic in relation to the electric currents of the interstellar medium.
Being commensurate with the Earth's "Magnetospheric Cusp":
But scaled to the size of the solar system:
This is just a larger scale version of what is known to electrically occur with the planet Earth with a lot more electrical power of course. This seems to me to be pure "induction". Just as was discussed in the "
Superconductivity" thread. Here, electric currents "induce" the porduction of subsurface currents in materials (resulting in the formation of a self-organized magenetic field that will exist within the parent magnetic field) via the penetration of those currents into the material through "pinning sites" aka "defects" in the material. The currents 'latch on to those sites'.
Some currents are entering from the main source, others are exiting, after "induction", from whence they were "induced" to form the magneto-sheath of the material. Very dynamic, very scalable, a very beautiful "equation" and the EU is the only place you can get it. The information is there, the work has already been done, the evidence, the observations etc it just needs to be put together. No new physics required!!
Why do the Sun's poles flip? Because the solar system is perpendicularly "cutting" through the alternating polarity of the magnetic field lines of the intestellar medium just as the work of Opher et al demonstrates via examination (modeling) of the Voyager data . Harold Aspden calls them "space-domains" in which electromagentic polarities alternately reverse in the same way that "magnetic field lines" seperate "magneitc domains" in a regular bar magnet. The same alternating "domains" are occur within the galaxy's "space" and or local "space" for our 'parent plasma cell'.
You know, when you people focus in on a subject you're extremely inspirational.
"Our laws of force tend to be applied in the Newtonian sense in that for every action there is an equal reaction, and yet, in the real world, where many-body gravitational effects or electrodynamic actions prevail, we do not have every action paired with an equal reaction." — Harold Aspden