Electric universe theories here.

[fertilizerspike]

Molecular clouds are for instance gases, but are not plasmas.

Citation needed

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[Sol88]

Citation needed

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Citation would be awesome.

I’ll just post a wiki article...


Cold magnetised space gas...

Physics

The physics of molecular clouds is poorly understood and much debated. Their internal motions are governed by turbulence in a cold, magnetized gas

Wiki

Poorly understood how gas does this?

The substructure of a GMC is a complex pattern of filaments, sheets, bubbles, and irregular clumps.[5]

Filaments are truly ubiquitous in the molecular cloud. Dense molecular filaments will fragment into gravitationally bound cores, most of which will evolve into stars. Continuous accretion of gas, geometrical bending, and magnetic fields may control the detailed fragmentation manner of the filaments. In supercritical filaments observations have revealed quasi-periodic chains of dense cores with spacing of 0.15 parsec comparable to the filament inner width.[11]

Mmmm....plasma?

Or

Your space gas?

 

[lauwenmark]

I find it quite amusing that you keep arguing that plasma is not a specific form of gas, Sol88. It is amusing, because here's what Wallace Thornhill wrote in Toward a Real Cosmology in the 21th Century:

Most cosmic plasma is a gas influenced by the presence of free electrons, charged atoms and dust.

Should we then conclude that you consider Thornhill to be wrong in his explanation? Are you trying to tell us that one of the important papers about the EU hypothesis, written by one of the founders of that theory, is not correct?

 

[Steve]

I find it quite amusing that you keep arguing that plasma is not a specific form of gas, Sol88. It is amusing, because here's what Wallace Thornhill wrote in Toward a Real Cosmology in the 21th Century:



Should we then conclude that you consider Thornhill to be wrong in his explanation? Are you trying to tell us that one of the important papers about the EU hypothesis, written by one of the founders of that theory, is not correct?

Contrarianism frequently paints itself into a very tight corner.

 

[Little 10 Toes]

No it doesn't.

[/sarcasm]

 

[tusenfem]

Not all gases are plasmas. Molecular clouds are for instance gases, but are not plasmas.

Ah, you beat me to it.
But I had no time, I was indoctrinating school kids about reconnection and stuff this weekend.

 

[Myriad]

The next ridiculous thing doctrinaire physicists will be trying to tell me is that charge separation by wind can happen in Earth's atmosphere.

 

[tusenfem]

I guess a good paper on the composition of molecular clouds would be:
Irvine - https://link.springer.com/chapter/10.1007/978-94-011-4211-3_19
of course, ions and electrons will always be present, e.g. through ionization by cosmic rays
e.g. de Boisanger et al. - https://adsabs.harvard.edu/full/1996A&A...310..315D
in dense clouds a ionization fraction of 10^-9
Then gravity again, if it is "a thang" I wonder why planets can hold on to all that gas. There is no pressure in space, so all that gas should just flow out. Also there should be no molecular clouds.

Space is weird!

 

[Sol88]

Plasma can also be thought of as a fluid, is this correct tusenfem?

@5:15 plasma Wakefield acceleration.

Plasma as a gas contained on Earth.

So plasma, can be though of as a liquid and gas too?

Can we manipulate liquids and gases like a plasma?

Is the new plasma majic, for the mainstream, correct tusenfem? Any correlation with this and molecular clouds?

Space, plasma, is indeed weird!

 

[Sol88]

I guess a good paper on the composition of molecular clouds would be:
Irvine - https://link.springer.com/chapter/10.1007/978-94-011-4211-3_19
of course, ions and electrons will always be present, e.g. through ionization by cosmic rays
e.g. de Boisanger et al. - https://adsabs.harvard.edu/full/1996A&A...310..315D
in dense clouds a ionization fraction of 10^-9
Then gravity again, if it is "a thang" I wonder why planets can hold on to all that gas. There is no pressure in space, so all that gas should just flow out. Also there should be no molecular clouds.

Space is weird!

So molecular clouds will respond to EM forces, as they are still a plasma.

These molecular clouds are littered with star formation on “strings” of current thru a dense plasma.

Easy stuff champ, easy stuff.

 

[Sol88]

Ah, you beat me to it.
But I had no time, I was indoctrinating school kids about reconnection and stuff this weekend.

To what degree does a gas contain free electrons and ions to be considered a plasma?

Or a better understanding would be, would these ions and electrons respond differently than gas when exposed to electromagnetic disturbances?

For instance and solar “wind” with in a molecular cloud?

 

[MRC_Hans]

To what degree does a gas contain free electrons and ions to be considered a plasma?

Or a better understanding would be, would these ions and electrons respond differently than gas when exposed to electromagnetic disturbances?

For instance and solar “wind” with in a molecular cloud?

Seriously, I wonder what you get out of consistently exposing your ignorance.

Hans

 

[tusenfem]

Plasma can also be thought of as a fluid, is this correct tusenfem?

Hannes Alfvén

 

[steenkh]

So molecular clouds will respond to EM forces, as they are still a plasma.

Whatever gave you the idea that molecular clouds are “still a plasma”?

 

[RecoveringYuppy]

Gosh, I wonder what molecular clouds might be made of.

 

[Sol88]

Gosh, I wonder what molecular clouds might be made of.

Evidence points to a cold dense plasma, except around star forming regions.

You would call this hot gas...

No doubt there is recombination somewhere along the line, why wouldn’t there be?

 

[Sol88]

Are there any free electrons/ions in molecular clouds, steenkh?

Tusenfem, maybe able to lend you a hand.

 

[Sol88]

Hannes Alfvén

So a plasma is also a liquid and a gas!



WoW! No wonder the maths is hard...

 

[The Man]

So a plasma is also a liquid and a gas!



WoW! No wonder the maths is hard...

Liquids and gasses are both classified as fluid (the intermolecular forces allow the molecules to more freely move and to flow) and hence are modeled as such.

Thus the H in MHD

ETA: A typical science class lab demonstration on the flow of a gas.

 

[Steve]

Liquids and gasses are both classified as fluid (the intermolecular forces allow the molecules to more freely move and to flow) and hence are modeled as such.

Thus the H in MHD

ETA: A typical science class lab demonstration on the flow of a gas.

Basic science is incomprehensible to some.