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Difference between revisions of "Plasma-Universe.com"

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Welcome to Plasma-Universe.com. This website can be joined by any person, but not for long. It's only a matter of time before [[Ian Tresman]] figures out that this probably will not work and begins only allowing certain people to add to this.
__NOTOC__
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==Introduction==
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'''Know plasma, know 99.999% of the Universe'''
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The '''[[Plasma Universe]]''' is a term coined by [[Hannes Alfvén]] to "... emphasize the fact that [[plasma]] phenomena discovered in the laboratory and in accessible regions of space, must be important also in the rest of the universe".
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Some estimates suggest that 99% of the visible universe is plasma, and an even greater percentage by volume. So to know plasma, is to know the universe.
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===Plasma Universe vs Big Bang model===
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<table cellpadding=1 cellspacing=0 border=1 align=center>
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<tr bgcolor=#eeeeee align=center><td><br></td><td>'''Plasma Universe'''</td><td>'''Big Bang model'''</td></tr>
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<tr align=center><td>'''General approach'''</td><td>Application of known lab physics only</td><td>Known physics and "new" physics</td></tr>
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<tr align=center><td>'''Plasma description'''</td><td>"Real:" Magnetic & electric description<br>MHD and non-MHD</td><td>"[[Pseudo-plasma]]:"<br> Ideal fluid MHD [[Magnetohydrodynamics]]</td></tr>
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<tr align=center><td>'''Dominant force'''</td><td>[[Electromagnetic force|Electromagnetic]] for smaller charged particles, [[gravity]] for larger one. See [[Gravito-electrodynamics]]</td><td>[[Gravity]]</td></tr>
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<tr align=center><td>'''Electric currents<br>"[[Birkeland current]]s"'''</td><td>Atmosphere, Stellar, Interplanetary,<br> Interstellar, Intergalactic</td><td>Limited: Atmosphere<br>Solar ?</td></tr>
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<tr align=center><td>'''Cosmic electric circuits'''</td><td>Yes</td><td>No</td></tr>
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<tr align=center><td>'''"Invisible" energy transfer'''</td><td>Yes: via circuits</td><td>No</td></tr>
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<tr align=center><td>'''[[Double layer]]s'''</td><td>Prevalent</td><td>Limited</td></tr>
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<tr align=center><td>'''Filamentation'''</td><td>[[Pinch|Pinched currents]]</td><td>Magnetic?</td></tr>
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<tr align=center><td>'''[[Particle beam]]s'''</td><td>Prevalent</td><td>Perhaps?</td></tr>
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<tr align=center><td>'''[[Galaxy formation]]'''</td><td>Interacting [[Birkeland current]]s</td><td>Gravity and dark matter</td></tr>
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<tr align=center><td>'''Electric chemical separation'''</td><td>Yes: "[[Marklund convection]]"</td><td>No</td></tr>
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<tr align=center><td>'''Star formation'''</td><td>[[Pinch|Plasma pinch]]</td><td>Nuclear fusion</td></tr>
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<tr align=center><td>'''[[Synchrotron radiation]]'''</td><td>Electric fields</td><td>Black holes, gravity</td></tr>
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<tr align=center><td>'''Cosmology'''</td><td>[[Plasma cosmology]]</td><td>Standard cosmology</td></tr>
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<tr align=center><td>'''Big Bang'''</td><td>Not known</td><td>Yes</td></tr>
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<tr align=center><td>'''Black holes'''</td><td>No</td><td>Yes</td></tr>
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<tr align=center><td>'''Neutron stars'''</td><td>No</td><td>Yes</td></tr>
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<tr align=center><td>'''Dark matter'''</td><td>No</td><td>Yes</td></tr>
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<tr align=center><td>'''Dark energy'''</td><td>No</td><td>Yes</td></tr>
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<tr align=center><td>'''[[Magnetic reconnection]]'''</td><td>No<br>(Pedagogic tool)</td><td>Yes</td></tr>
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<tr align=center><td>'''[[Redshift]]'''</td><td>Intrinsic contribution, eg.: [[Plasma redshift]], [[Wolf effect]] ?</td><td>Yes<br>No intrinsic redshift</td></tr>
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==Picture of the Plasma Universe==
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[[Image:nebulae.jpg|400px|]]<br />
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Nebulae, are typical examples of cosmic plasma that may feature filamentary structure, electromagnetic [[pinch]]ing, [[synchrotron radiation]], twisting magnetic fields and bipolar jets.
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==Cosmic plasma misconceptions==
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<ol>
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<li>'''Gravity is the dominant force in the Universe'''<br>
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The electromagnetic force, affects charged particles up to 10<sup>39</sup> more strongly than gravity. For example, a singly charged hydrogen atom (ie. a proton) is affected by the Earth's magnetic field 10-million times greater than the influence of gravity.</li>
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<li>'''The Equal numbers of charged particles in a plasma neutralise one another'''<br>
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Plasma is "quasineutral" meaning that it <b>tends</b> to be electrically neutral. But [[double layer]]s (charge separation regions) and plasma [[particle beam]]s, both  violate quasineutrality</li>
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<li>'''Cosmic plasmas are too tenuous to conduct electricity'''<br>
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Field-aligned "[[Birkeland current]]s" are independent of the plasma density, and even the interplanetary medium is as conductive as a metal. The largest structure in the Solar System, the [[heliospheric current sheet]], carries 3 x 10<sup>9</sup> Amps. An estimated 10<sup>19</sup> Amps may flow in the galactic plane</li>
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<li>'''Cosmic plasma is only a fluid-like ionized gas'''<br>
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While cosmic plasma <b>may</b> behave like a fluid-like gas, many phenomena are unique such as (a) reaction to electromagnetic forces (b) filamentation (c) self-generating magnetic fields and electric currents (d) tendency to cellularise regions of different properties (e) formation of particle beams</li>
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<li>'''Cosmic Plasma theory is not well-developed'''<br>
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Peer-reviewed published theories may explain aspects of (a) cosmology, without a Big Bang (b) [[Galaxy formation]], without dark matter (c) Star formation, as a "plasma pinch" (d) [[Plasma convection|Chemical separation]] in space (e) "Invisible" energy transfer (f) planetary rings (g) "Jets" (h) [[Synchrotron radiation]] (i) cosmic rays</li>
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</ol></td></tr></table>
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Revision as of 08:19, 23 February 2007

Welcome to Plasma-Universe.com. This website can be joined by any person, but not for long. It's only a matter of time before Ian Tresman figures out that this probably will not work and begins only allowing certain people to add to this.