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Old 24th November 2019, 07:48 PM   #841
jonesdave116
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Originally Posted by Sol88 View Post
You forgot the highly negatively charged dust. Dust is how you got shed loads of “ice” at Tempel 1 along with the classic cometary science howler, radial expansion of the sublimation products and using this to come up with an obvious mostly icy comet.

Any way just a few highlights below.


The one accelerating the ions and retarding the electrons close to the nucleus? seems far more complicated than your simplistic electrostatics. These electrodynamic entities are being fed by electric currents. My beloved double layers but we call them, just to be safe, nested draped magnetic fields that generate current sheets.



The solar wind is bloody miles away True. Moot point though, we only need the charge seperation, as observed.



therefore any ambipolar fields brought into existence due to the interactions of the ions and electrons there from.
very easily explained by the rock it self being of a different charge or potential to the surrounding plasma, now separated as well. This forms the standard garden variety plasma sheath around the nucleus. This would exclude any solar wind (foreign plasma) from the nucleus and concentrate the charge difference in a very thin non uniform layer away form the nucleus.
Complete and utter unscientific word salad and gibberish, that shows an astounding ignorance of any of the relevant science. Pure crap.

Dust has nothing to do with ice, as even a child would know. Why it is beyond you, is beyond me! Know what dust looks like in IR? Know what ice and water vapour look like? If you did you wouldn't have made such an idiotic comment. Ice is a fact at Tempel 1. Thousands of tonnes of it. It killed your idiocy stone dead 14 years ago. Why are you still here? Ignorance and/or spamming are the only two things I can think of.

What charge separation? Separation of what charges? From what particles? Cometary ones. And you can't explain them. Hence the word salad and ignorance.

No double layers. They don't exist. Get it through your thick head. And they will be bloody obvious, particularly to someone who did their PhD on double layers! As opposed to an unqualified Velikovskian wooist.

And how the hell can rock explain an ambipolar field? How dumb is that? No solar wind. Remember? Tattoo it on your head. The only plasma (massively outnumbered by neutrals) being affected down there is of cometary origin. And you can't explain it. And do tell us what is charging up the non-existent rock, and how this is retarding electrons? What charge is it? Hmmm? What would repel ions and retard (attract!) electrons? What charge would it need to be? What charge did the idiot Thornhill suggest the comet was? Hmmm?
And why isn't all of this happening to every single asteroid?
I'm not expecting any answers. Just more ignorance, word salad and gibberish. This is nothing whatsoever to do with science, and everything to do with the quasi-religious beliefs of a scientifically challenged wooist, who can't let them go, and is incapable of understanding even basic science.
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Old 24th November 2019, 07:57 PM   #842
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Originally Posted by Sol88 View Post
So the nested field aligned currents that flow up and down the tail that may extend to the heliopause , close thru the coma, sometimes suddenly, increasing the main form of ionising neutrals, electron impact ionisation and giving some electrons enough energy to become suprathermal.

The dust is also charged and responds to the surface electric fields concentrated and focused along light/shadowed areas and are coupled to these nested and over draped electric fields in the coma and tail.

This along with the deflection and charge seperation of the solar plasma also contributing to the complex electric and magnetic field environment at a comet.

This ultimately can ONLY be achieved by sublimating ice, sintered hard as rock some distance below a very well insulated dusty rind.
Hahahahahahaha! What a load of scientifically illiterate gibberish! Give up, for everybody's sake! We get it. You don't understand plasma physics. No need to keep confirming it with every single ignorant post.
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Old 24th November 2019, 08:14 PM   #843
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Quote:
The dust is also charged and responds to the surface electric fields concentrated and focused along light/shadowed areas and are coupled to these nested and over draped electric fields in the coma and tail.


SMH!!!!! Honestly, where do you get this crap from? A random word generator? The nested MAGNETIC fields are not affecting anything on the nucleus. Magnetic field not reaching surface or anywhere near it. Remember? How many times? What is the measured field in the DC? Go download the Giotto mag data. Have a look. And stop wasting pixels.
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Old 25th November 2019, 02:39 AM   #844
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Originally Posted by Sol88 View Post
So the nested field aligned currents that flow up and down the tail that may extend to the heliopause , close thru the coma, sometimes suddenly, increasing the main form of ionising neutrals, electron impact ionisation and giving some electrons enough energy to become suprathermal.
Nope, totally wrong what you write here, which clearly shows you do not want to get any information which does not fit into your view.

This shows once more that you are unable of understanding physics, understanding explanations and comprehensive reading.

So, why should I bother and waste my time to explain something to you? (And don't say "for the lurkers" because they probably have a better understanding of it all than you.)
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Old 25th November 2019, 04:03 AM   #845
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A new paper in A & A about the real plasma environment of a comet as it relates to electric field formation;

Polarisation of a small-scale cometary plasma environment
Particle-in-cell modelling of comet 67P/Churyumov-Gerasimenko

Gunell, H. et al.
https://www.herbertgunell.se/pdfpape...ell_etal19.pdf
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Old 25th November 2019, 05:08 AM   #846
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Say, Sol, would you mind taking a stab at answering my question?
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Old 25th November 2019, 01:29 PM   #847
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Originally Posted by jonesdave116 View Post
A new paper in A & A about the real plasma environment of a comet as it relates to electric field formation;

Polarisation of a small-scale cometary plasma environment
Particle-in-cell modelling of comet 67P/Churyumov-Gerasimenko

Gunell, H. et al.
https://www.herbertgunell.se/pdfpape...ell_etal19.pdf
Great.

Didn’t address the electrons/negatively charged dust, only ions.

Used electrostatics.

Solar UV radiation as the main source of ionisation, electron impact ionisation is dominant.

This paper, cheers jd116, reinforces my assertion to jd116, that it is the shielding current that deflects the solar wind around the comet forming the “diamagnetic” cavity.
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Old 25th November 2019, 01:45 PM   #848
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Originally Posted by tusenfem View Post
Nope, totally wrong what you write here, which clearly shows you do not want to get any information which does not fit into your view.

This shows once more that you are unable of understanding physics, understanding explanations and comprehensive reading.

So, why should I bother and waste my time to explain something to you? (And don't say "for the lurkers" because they probably have a better understanding of it all than you.)
Well for the lurkers that just read the above paper, are you able to shed some light on your statement in the paper, Current sheets in comet 67P/Churyumov-Gerasimenko’s coma,
Quote:
The current sheets cannot be considered boundaries between different plasma populations and there is no indication of accelerated ions generated by magnetic reconnection.
Can’t be considered boundaries? Surprising.

Any way in this paper,... ,
Quote:
assumes that (part) of this current can suddenly be channeled through the cometary atmosphere, in a similar way to what happens in the Earth’s tail during a substorm [Bostr¨om, 1974]. This field-aligned current can then, again, be used to increase the ionization rate near the nucleus.
How would this affect both the shielding current of the “diamagnetic” cavity and the UV ionisation of cometary neutrals?

Quote:
Fig. 5BB shows the transition of Giotto into the diamagnetic cavity, where over a very sharp boundary (C) the magnetic field strength decreases from nT to almost zero. From the behaviour of the magnetic field components it was deduced that there are not only currents perpendicular to the magnetic field (taking care of the shielding of the cavity) but there are also strong field-aligned currents in alternating directions.
Sharp boundary between current sheets? But still not considered boundaries?

Anyhoo, jonesdave116, it’s the shielding current stoping the solar wind magnetic field, NOT particle collisions.

Interesting,
Quote:
These are indirect indications that magnetic reconnection could be taking place in the current sheets generated by nested draping.
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Old 25th November 2019, 01:48 PM   #849
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Originally Posted by Sol88 View Post
....
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's personal insanity about science, posts and posters.
jonesdave116 cited some real cometary science: A new paper in A & A about the real plasma environment of a comet as it relates to electric field formation.

Sol88 replies with his personal insanity about charged dust, electrostatics, the diamagnetic (none of his insane quotes) cavity.
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Old 25th November 2019, 01:49 PM   #850
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Originally Posted by Belz... View Post
Say, Sol, would you mind taking a stab at answering my question?
Quote:
Conclusions. The ambipolar and polarisation electric fields both have a significant influence on the motion of cometary ions. This demonstrates the importance of space charge effects in comet plasma physics.
The electric comet...

NOT the model mainstream still cling too,

Quote:
Kid-Friendly Comets
Comets orbit the Sun just like planets and asteroids do, except a comet usually has a very elongated orbit.

As the comet gets closer to the Sun, some of the ice starts to melt and boil off, along with particles of dust. These particles and gases make a cloud around the nucleus, called a coma.

The coma is lit by the Sun. The sunlight also pushes this material into the beautiful brightly lit tail of the comet.

Visit NASA Space Place for more kid-friendly facts.
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Old 25th November 2019, 01:51 PM   #851
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Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insane lies about science.
No astronomer has ever published anything on or supporting Sol88's insane religious dogma.

Sol88's usual lies about posts and posters.
Belz... asked on 29 October 2019 I'm asking you in what way does this water generation prove your general theory. And while you're at it, why and how does it make the "mostly icy comet" theory incorrect?

Last edited by Reality Check; 25th November 2019 at 01:55 PM.
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Old 25th November 2019, 02:05 PM   #852
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Originally Posted by Reality Check View Post
.

Snipped, so much crap it filled my clipboard...again and again. Stop pushing the page count up with snot.

Sol88 replies with his personal insanity about charged dust, electrostatics, the diamagnetic (none of his insane quotes) cavity.

How does the diamagnetic cavity form again, reality check? The wiki page you linked to a few posts back was not much help, unless we were thinking of levitating frogs of comets...

Better put what stops the solar electric/magnetic field from reaching the nucleus? Not the particles.
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Old 25th November 2019, 02:34 PM   #853
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Originally Posted by Sol88 View Post
How does the diamagnetic cavity form again, reality check? The wiki page you linked to a few posts back was not much help, unless we were thinking of levitating frogs of comets...

Better put what stops the solar electric/magnetic field from reaching the nucleus? Not the particles.
You know exactly what stops it - the interaction of cometary neutrals and cometary ions/ electrons. None of those should be there in your woo. So, why do you keep highlighting your inability to explain the DC? Even though you didn't even realise it existed until relatively recently, despite it having been known about since the mid-80s.
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Old 25th November 2019, 02:36 PM   #854
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Originally Posted by Sol88 View Post
The electric comet...

NOT the model mainstream still cling too,
You call that puerile idiocy an answer, do you? There is no such thing as the 'electric comet'. There is no scientific model, no scientific mechanisms, no evidence, and not a single scientist who thinks it is a valid hypothesis. It is pure woo, only believed by Velikovskian loons.
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Old 25th November 2019, 02:38 PM   #855
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Originally Posted by Sol88 View Post
Great.

Didn’t address the electrons/negatively charged dust, only ions.

Used electrostatics.

Solar UV radiation as the main source of ionisation, electron impact ionisation is dominant.

This paper, cheers jd116, reinforces my assertion to jd116, that it is the shielding current that deflects the solar wind around the comet forming the “diamagnetic” cavity.
Aaaand more science-free gibberish. 'Shielding current'!!!!! Lol. Stop making crap up. You are embarrassing yourself. As usual.
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Old 25th November 2019, 02:42 PM   #856
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Quote:
Anyhoo, jonesdave116, it’s the shielding current stoping the solar wind magnetic field, NOT particle collisions.
No it isn't, and not a single scientist is claiming that it is. So, show us the science behind this idiotic claim, and tell us why it isn't happening at asteroids. Get on with it, and stop talking crap.
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Old 25th November 2019, 03:29 PM   #857
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Exclamation The usual insane lies, delusions, insults, etc. addressed since 6 July 2009

Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual lies about posts and posters.
I have never linked to a Wikipedia page about the formation of diamagnetic cavities around comets (as far as I know there is none!). What I did link to is the definition of diamagnetic.
Insane "solar electric/magnetic field from reaching the nucleus" gibberish. No one said that the solar electromagnetic field cannot reach the nucleus. It is the particles of the solar wind that a comet coma blocks. It is some of the solar light that a comet coma blocks.

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Old 25th November 2019, 03:45 PM   #858
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Originally Posted by Sol88 View Post
...Snipped, so much crap it filled my clipboard...again and again. Stop pushing the page count up with snot. ....
So long as Sol88 posts insane questions on his personal delusions about comets, I will continue to cite his over 10 years of other insanity about comets posted in this threads.
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current
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Old 25th November 2019, 03:50 PM   #859
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Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insanity about science.
Current sheets in comet 67P/Churyumov‐Gerasimenko's coma
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Old 25th November 2019, 04:40 PM   #860
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Originally Posted by jonesdave116 View Post
You know exactly what stops it - the interaction of cometary neutrals and cometary ions/ electrons. None of those should be there in your woo. So, why do you keep highlighting your inability to explain the DC? Even though you didn't even realise it existed until relatively recently, despite it having been known about since the mid-80s.

Its a plasma sheath ya drongo!


Interaction of cometary neutrals and cometary ions/ electrons

No it's NOT!!!

The ions/electrons are already fully decoupled from any neutrals from the surface at the surface...this includes the negatively charged DUST you so conveniently ignore! This constitutes the charge equalisation process you call outgassing!

Read up it's called a shielding current. This shields the solar wind magnetic field from the nucleus, there is still a magnetic field at the nucleus!

Just ask tusenfem.

Like your word means anything anyway, Water ice at Tempel 1...
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Old 25th November 2019, 04:41 PM   #861
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Originally Posted by Reality Check View Post
Sol88's usual lies about posts and posters.
I have never linked to a Wikipedia page about the formation of diamagnetic cavities around comets (as far as I know there is none!). What I did link to is the definition of diamagnetic.
Insane "solar electric/magnetic field from reaching the nucleus" gibberish. No one said that the solar electromagnetic field cannot reach the nucleus. It is the particles of the solar wind that a comet coma blocks. It is some of the solar light that a comet coma blocks.
Therein lies the crux of Sol's dilemma - the solar magnetic field (IMF) IS reaching the nucleus when outgassing is minimal. It is also reaching the surface of asteroids; permanently. However, it is not reaching the nucleus of a comet when outgassing is high. So, what is stopping it? And where did it come from? And why isn't it there at asteroids, or comets when they have low outgassing rates? This is something that we will never get an answer to. Just more word salad and gibberish.
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Old 25th November 2019, 04:43 PM   #862
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Read up it's called a shielding current. This shields the solar wind magnetic field from the nucleus, there is still a magnetic field at the nucleus!
Garbage. You are talking crap. Again. 0 nT = no magnetic field. Get over it. And instead of me reading up on non-existent woo, just link to the paper, yes?
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Old 25th November 2019, 06:08 PM   #863
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Like your word means anything anyway, Water ice at Tempel 1...
Nothing to do with my word. Learn to read. There is plenty of literature on it. Thousands of tonnes of spectroscopically identified ice blasted out of the comet. And you can't explain. it. Due to not understanding the science.
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Old 25th November 2019, 06:21 PM   #864
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Quote:
The ions/electrons are already fully decoupled from any neutrals from the surface at the surface...
Yet again, another brainless comment. Look at the numbers for ions and neutrals close to the comet. Massively in favour of neutrals. What is the lifetime of a water molecule against ionisation around a comet? ~106 s. At ~ 500 m/s, how long to reach the DC boundary? What then, is the ionisation percentage? Sod all, would be the answer to that. Not very good at this bluffing lark are you?
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Old 25th November 2019, 06:30 PM   #865
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And as for a magnetic field at the nucleus - where is it coming from? Not the IMF. That is observed not to be within the DC. So, where else would it come from? Given that it isn't measured? An intrinsic field? Nope, that's a busted flush too. Philae saw zilch;

The nonmagnetic nucleus of comet 67P/Churyumov-Gerasimenko
Auster, H-U, et al. (2015)
https://science.sciencemag.org/content/349/6247/aaa5102

Quote:
Knowledge of the magnetization of planetary bodies constrains their origin and evolution, as well as the conditions in the solar nebular at that time. On the basis of magnetic field measurements during the descent and subsequent multiple touchdown of the Rosetta lander Philae on the comet 67P/Churyumov-Gerasimenko (67P), we show that no global magnetic field was detected within the limitations of analysis. The Rosetta Magnetometer and Plasma Monitor (ROMAP) suite of sensors measured an upper magnetic field magnitude of less than 2 nanotesla at the cometary surface at multiple locations, with the upper specific magnetic moment being <3.1 × 10−5 ampere–square meters per kilogram for meter-size homogeneous magnetized boulders. The maximum dipole moment of 67P is 1.6 × 108 ampere–square meters. We conclude that on the meter scale, magnetic alignment in the preplanetary nebula is of minor importance.
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Old 25th November 2019, 07:31 PM   #866
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Exclamation The usual insane lies, delusions, insults, etc. addressed since 6 July 2009

Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insanity about science.
A plasma sheath is the layer of plasma next to the surface of the container of the plasma !

Sol88's insane lie that we are ignoring that Rosetta detected negatively charged dust grains many kilometers from the nucleus of 67P. We are ignoring Sol88's idiotic delusions about that dust.
Negatively charged nano-grains at 67P/Churyumov-Gerasimenko

Sol88's personal "negatively charged DUST" + "charge equalisation process you call outgassing" insanity.

Sol88's insane lie that we have ever detected a magnetic field at a comet nucleus. Comets do not have a molten iron core to produce their own magnetic field . The solar electromagnetic field will be present at the surface of many moons, asteroids, comets. These are not all comets as Sol88's insane religious dogma demands!

Last edited by Reality Check; 25th November 2019 at 08:22 PM.
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Old 25th November 2019, 08:19 PM   #867
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Originally Posted by jonesdave116 View Post
Nothing to do with my word. Learn to read. There is plenty of literature on it. Thousands of tonnes of spectroscopically identified ice blasted out of the comet. And you can't explain. it. Due to not understanding the science.

Complete nonsense!
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Old 25th November 2019, 08:20 PM   #868
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Originally Posted by Sol88 View Post
Complete nonsense!
Really? According to which scientist?
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Old 25th November 2019, 08:21 PM   #869
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Originally Posted by jonesdave116 View Post
Garbage. You are talking crap. Again. 0 nT = no magnetic field. Get over it. And instead of me reading up on non-existent woo, just link to the paper, yes?
maximum dipole moment of 67P is 1.6 × 10^8 ampere–square meters

so. not 0 nT
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Old 25th November 2019, 08:23 PM   #870
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Exclamation The usual insane lies, delusions, insults, etc. addressed since 6 July 2009

Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insanity about science.
Scientific literature exists !
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Old 25th November 2019, 08:23 PM   #871
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Originally Posted by jonesdave116 View Post
Therein lies the crux of Sol's dilemma - the solar magnetic field (IMF) IS reaching the nucleus when outgassing is minimal. It is also reaching the surface of asteroids; permanently. However, it is not reaching the nucleus of a comet when outgassing is high. So, what is stopping it? And where did it come from? And why isn't it there at asteroids, or comets when they have low outgassing rates? This is something that we will never get an answer to. Just more word salad and gibberish.
Quote:
These analytical results are in line with previous numerical calculations, adapting similar but not identical field profiles. The presence of a non-negligible ambipolar electric field and limited importance of ion-neutral collisional coupling are further supported by observations in the diamagnetic cavity of comet 67P/Churyumov–Gerasimenko by plasma instruments onboard Rosetta that reveal ion speeds several times higher than the neutral expansion velocity.
On the ion-neutral coupling in cometary comae

Just saying, again...
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Old 25th November 2019, 08:27 PM   #872
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Originally Posted by Sol88 View Post
maximum dipole moment of 67P is 1.6 × 10^8 ampere–square meters

so. not 0 nT
Lol. Stop while you are behind. You don't even understand the paper, and the terms it is using. There is no magnetic field measured at or near the nucleus, even before the DC has formed! Zero electric woo.
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Old 25th November 2019, 08:29 PM   #873
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Originally Posted by Sol88 View Post
On the ion-neutral coupling in cometary comae

Just saying, again...
Yes, you are saying that there are cometary neutrals and ions at comets. We knew that. You didn't. How are you explaining them? And why aren't they at asteroids? Feel free to display your ignorance once more.
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Old 25th November 2019, 08:33 PM   #874
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Exclamation The usual insane lies, delusions, insults, etc. addressed since 6 July 2009

Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insanity about science.
A magnetic diploe moment is not a magnetic field strength !
jonesdave116 wrote:
Originally Posted by jonesdave116 View Post
And as for a magnetic field at the nucleus - where is it coming from? Not the IMF. That is observed not to be within the DC. So, where else would it come from? Given that it isn't measured? An intrinsic field? Nope, that's a busted flush too. Philae saw zilch;

The nonmagnetic nucleus of comet 67P/Churyumov-Gerasimenko
Auster, H-U, et al. (2015)
https://science.sciencemag.org/content/349/6247/aaa5102
jonesdave116 quoted: "The Rosetta Magnetometer and Plasma Monitor (ROMAP) suite of sensors measured an upper magnetic field magnitude of less than 2 nanotesla at the cometary surface at multiple locations".
For comparison Earth's magnetic field strength is 25 to 65 microteslas, the Sun's can be large as 0.3 Tesla at sunspots.

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Old 25th November 2019, 08:39 PM   #875
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Exclamation The usual insane lies, delusions, insults, etc. addressed since 6 July 2009

Originally Posted by Sol88 View Post
...
The thousands of insane lies, delusions, insults, etc. since 6 July 2009 from Sol88 about his cult's electric comet and electric Sun dogma.
Sol88 gives us an insane rant from Wal Thornhill about stars.
Sol88 gives us an insane video from Donald Scott: Voyager 2 and our Solar System's Birkeland Current

Sol88's usual insanity which emphasizes Sol88's insane religious dogma that comets are actual rock (no ices or a demented fantasy of "little ices") blasted from rocky planets by electric discharges between planets including recent times (witnessed by us!) and that these rocks discharge in a massive solar electric field. This insanely tears the rock apart and puts gas and dust into the coma and forms their insanity of jets as electrical discharges !

Sol88's usual insanity about science.
On the ion-neutral coupling in cometary comae
Quote:
In a cometary coma, the ion-neutral decoupling distance, sometimes referred to as the ion exobase or collisionopause, can be defined as the cometocentric distance, rin, where ions, initially moving with the neutral outgassing speed, have a probability of 1/e of not colliding with neutrals on their subsequent journey radially outwards. We present an analytical model for calculating this decoupling distance in the presence of a static radial electric field. We show that for a logarithmically decaying potential, the value of rin can even decrease to ∼15 per cent of its field-free case value. Moreover, already at this distance, the effective ion speed can be expected to markedly exceed the neutral expansion velocity. These analytical results are in line with previous numerical calculations, adapting similar but not identical field profiles. The presence of a non-negligible ambipolar electric field and limited importance of ion-neutral collisional coupling are further supported by observations in the diamagnetic cavity of comet 67P/Churyumov–Gerasimenko by plasma instruments onboard Rosetta that reveal ion speeds several times higher than the neutral expansion velocity.
This is clear, simple English.
The diamagnetic cavity of comet 67P exists. We have observations of the cavity as Rosetta passed through it. These show high ion speeds. Those ion speeds support the presence of a non-negligible ambipolar electric field. Those ion speeds limit the importance of ion-neutral collisional coupling.

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Old 25th November 2019, 08:49 PM   #876
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Originally Posted by jonesdave116 View Post
Yes, you are saying that there are cometary neutrals and ions at comets. We knew that. You didn't. How are you explaining them? And why aren't they at asteroids? Feel free to display your ignorance once more.
It ain’t from solar insolation/UV. As Argawal said in her paper. There is another energy source from the nucleus itself.

Mainstream have No explanation. The electric comet do.

The nucleus itself is charged and the Electric fields = bloody majic!

For the mainstream anyway.
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Old 25th November 2019, 09:09 PM   #877
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Originally Posted by Sol88 View Post
It ain’t from solar insolation/UV. As Argawal said in her paper. There is another energy source from the nucleus itself.

Mainstream have No explanation. The electric comet do.

The nucleus itself is charged and the Electric fields = bloody majic!

For the mainstream anyway.
Whatever you are smoking, I'd be tempted to give it up! Lol. More utter gibberish. What the hell has Agarwal's paper got to do with anything? They flew over a jet in which ice is detected. Yes, we knew there was ice at comets. We keep telling you that. It has no relevance to the DC, which was long gone by then. And no energy source is needed for a DC. Just gas. As shown, decades ago.
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Old 25th November 2019, 09:16 PM   #878
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Quote:
The nucleus itself is charged.........
Nope. Philae saw zilch. No magnetic field down there. No remnant magnetism. Not only is there no electric woo going on down there, there never has been!
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Old 25th November 2019, 10:57 PM   #879
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Originally Posted by Sol88 View Post
Can’t be considered boundaries? Surprising.

Any way in this paper,... ,
You are mixing papers, and locations of current(sheet)s, but then, hey, who cares about such tiny details.

Originally Posted by Sol88 View Post
Sharp boundary between current sheets? But still not considered boundaries?
No, sharp boundary between inside and outside of the diamagnetic cavity.
Learn to READ COMPREHENSIVELY.
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Old 26th November 2019, 01:40 AM   #880
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Quote:
In space the charged particles (protons, electrons and other trace ions) mostly originate from the sun. A magnetosphere is a particular type of “diamagnetic cavity” formed within the plasma of the solar wind.
Quote:
A plasma is a rapidly responding conducting medium due to the free moving charges. It creates a magnetic field in opposition to an externally applied magnetic field, making it diamagnetic, and can result in local cavities. Diamagnetic cavities are a general phenomenon in plasmas, not only in space plasmas, and can be formed with or without magnetic fields [41].
Quote:
The electric field component comes from the formation of currents which are induced to exclude the interplanetary magnetic field and create the cavity.
An exploration of the effectiveness of artificial mini-magnetospheres as a potential solar storm shelter for long term human space missions

More to come on the "diamagnetic" cavity.
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