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Originally posted by buddhasystem
The Powerpoint slides you referred me too aint bad. A little dry, but a nice refresher. Now, what these have to do with the solar corona, isn't clear at all.
Negative coronas occur only If the electric field is nonuniform
Positive Coronas are manifested in a uniform corona
Generation of secondary electron avalanches
In a positive corona they are generated by the gas surrounding the plasma region
In a negative corona they are generated by the curved electrode itself, the new secondary electrons traveling outward
Originally posted by buddhasystem
No it wouldn't. Every member has a right to note a lack of logic in another member's post, and same applies to this delightful example:
The corona is an electric arc glow, yes it even looks like one
I am sorry, but the following does not remotely look like discharge in a spherically shaped capacitor... Note the loops...
Already in the 1950s, it was realized that the phenomenon of solar flares might have an electromagnetic origin and that the flare energy is likely to be stored as magnetic energy in the solar atmosphere. [.]
[.] In experiments it had been found that, if the electric current in a mercury rectifier was increased above a certain critical limit, the current through the rectifier became interrupted within a small fraction of a second. As a result of the interruption, the electric energy of the whole circuit was concentrated to and released in the rectifier with disastrous consequences. The current interruption was caused by an electrostaticdouble layer of high impedance that through some instability locally replaced the normally well-conducting mercury plasma in the rectifier. In our paper we suggested that a similar kind of double layer might arise in current systems penetrating the solar atmosphere and there lead to explosive release of magnetic energy in the form of flares. The flare mechanism described in our paper is in reality nothing but a straightforward combination of a phenomenon that is well known from laboratory experiments in plasmas and rectifier studies onthe one hand and solar physics on the other. The reason our flare theory was not proposed much earlier is that groups working on double layers and groups working in astrophysics did not have good contact with each other.
Scientists using the joint European Space Agency (ESA)/NASA Solar and Heliospheric Observatory (SOHO) spacecraft have discovered "jet streams" or "rivers" of hot, electrically charged gas called plasma flowing beneath the Sun's fiery surface.
The Local Bubble is a cavity in the interstellar medium (ISM) of the Orion Arm of the Milky Way. It is at least 300 light years across and has a neutral hydrogen density approximately one tenth of the 0.5 atoms per cubic centimetre average for the ISM in the Milky Way. The hot diffuse gas in the Local Bubble emits X-rays.
The Solar System has been travelling through the Local Bubble for the last 3 million years. Its current location lies in the Local Interstellar Cloud or Local Fluff, a minor region of denser material within the Bubble. The cloud formed where the Local Bubble and the Loop I Bubble met. The gas within the LIC has a density of approximately 0.1 atoms per cubic centimeter.
The Local Interstellar Cloud, also called the Local Fluff, is the interstellar cloud (roughly 30 light years across) that our solar system is currently moving through. The Solar System entered the Local Fluff at some time between the last 44,000 and 150,000 years and is expected to remain within it for between 10,000 and 20,000 years more. The cloud has a temperature (at STP) of 6000° C, about the same temperature as the surface of the Sun. It is very thin, with 0.26 atoms per cubic centimeter; approximately one-fifth that of the galactic interstellar medium and twice that of the gas in the Local Bubble. In comparison, Earth's atmosphere at STP has 2.7 × 1019 molecules per cubic centimeter.
During the past few million years, wispy filaments of interstellar gas have drifted into the Local Bubble. Our solar system is immersed in one of those filaments--the "local fluff," a relatively cool (7000 K) cloud containing 0.1 atoms per cubic centimeter.
There are, however, denser clouds out there. The Sco-Cen complex, for instance, is sending a stream of interstellar "cloudlets" in our direction. "Some of those cloudlets might be hundreds of times denser than the local fluff," says Priscilla Frisch, an astrophysicist at the University of Chicago who studies the local interstellar medium. "If we ran into one, it would compress the Sun's magnetic field and allow more cosmic rays to penetrate the inner solar system, with unknown effects on climate and life."
An interstellar wind hits our planet.
It's a helium-rich breeze from the stars, flowing into the solar system from the direction of Ophiuchus. The sun's gravity focuses the material into a cone and Earth passes through it during the first weeks of December. We're inside the cone now.
"There's no danger to anyone on Earth," says space physicist George Gloeckler of the University of Maryland. "The helium breeze is a thousand billion billion times (1021 times) less dense than Earth's atmosphere. It cannot penetrate to the surface of our planet."
Nevertheless, astronomers are keen to study it.
The breeze is a telltale sign of what lies outside the solar system. Interstellar space, the "void" between the stars, is not empty. It's filled with gigantic clouds of gas and dust (Edit; NOT gas and dust; Highly conducting plasma would be more correct terminology). These clouds are the birthplace of stars and planets; they're also the debris left behind when stars explode. The solar system is running into one. Astronomers call it the Local Interstellar Cloud. The sun's magnetic field holds much of the cloud at bay, but some of the cloud's gas does penetrate--hence the breeze.
Some wisps of the Local Fluff's denser gas may already have blown into the Solar System earlier (possibly 33,000 and 60,000 years ago) (Priscilla Chapman Frisch, 1997). Astronomers hypothsize that such gas clouds can suppress the Solar Wind so that interstellar gas and dust enters the Solar System in quantities great enough to affect the Sun and life on Earth. At the moment, a powerful stellar wind from the young OB stellar associations of the Local Bubble's expanding neighbor, the Loop I Bubble, is pushing the Local Fluff aside (at the rate of 12 miles, or 20 km, per second). That expanding bubble, however, is also pushing other clouds of gas towards the Solar System
An analysis of the distribution and kinematics of interstellar material within 500 pc of the Sun leads to the conclusion that the galactic environment of the Sun changes with time. Consideration of evidence for interstellar gas interacting with the solar wind implies that these variations may alter the interplanetary environment of the Earth. The events causing the 10Be spikes 33,000 years and 60,000 years ago in the Antarctic ice record must be associated with the Local Fluff cloud complex, possibly due to solar encounters with structures with subparsec scale sizes. An encounter with "dense" interstellar cloud material could attenuate the solar L-alpha flux by as much as 70%, modify mesospheric chemistry, modify the magnetosphere-solar wind coupling, and alter the global electrical circuit. Prior to the entry of the Sun into the Local Fluff cloud complex, within the past 200,000 years, the galactic environment of the Sun differed radically from the environment prevailing today and expected for the near future.
Originally posted by buddhasystem
Zeuss, has there been any evidence that the solar wind has any charge asymmetry?
thanks.
The heat of fusion in the solar core causes its atomic particles to attain high velocities, so that there is a continuous current flow along the temperature gradient from core to surface. Electrons are predominant in this
flow as they have well over 1000 times less mass than a proton. This gives the surface of the Sun a layer of negative charge and the core an increasing positive charge. A continuous solar wind is ejected from the surface and periodically the positive charge on the core exceeds the breakdown value, causing planet-sized pieces to break away and be expelled towards the surface. The forces involved are gravitation, electro-magnetic, eddy currents and gyroscopic.
The evidence for large-scale electrical discharges was described by C.E.R.Bruce (1902 - 1979)2 but his published papers and mine were unable to offer a satisfactory explanation of the massive charge separation and accumulation required. Most astronomers ignored the evidence for electrical discharges, even in books claiming to include all aspects of astronomy, but now that L.K. has described a charging process of sufficient magnitude, this attitude can no longer be justified.
In 1916, Norwegian researcher Kristian Birkeland was probably the first person to successfully predict that in the Solar Wind, "From a physical point of view it is most probable that solar rays are neither exclusively negative nor positive rays, but of both kinds"; in other words, the solar wind consists of both negative electrons and positive ions
The solar wind is a plasma, a stream of charged particles (ions and electrons) which are continuously escaping from the Sun into the interplanetary medium. The particles can escape from the hold of the Sun because the solar corona consists of a very hot plasma of which the temperature exceeds millions of degrees.
Originally posted by ZeuZZ
You are correct that the e-field would work different directions for different ions. It would repel protons and attract electrons.
This graph represents the basic properties of a of a plasma discharge as recorded in various laboratory tests with spherically shaped plasmas. It is obviously highly non linear, and shows some of the truly erratic and unknown properties of plasma.
Now as you stated (correctly) that the sun would be strongly attracting negative ion’s in its electric field
I should ask you Buddha, why do you think that the corona so much hotter than the sun? Surely this would only be expected if energy was being attracted from outside the sun? Astronomers fully admit they have no idea why it is so hot, and I am amazed they can admit that, and say they are confident about the rest of the suns constitution.
Originally posted by Ionized
Ten years ago these ideas were still largely unknown and ridiculed, but nowadays the mainstream is beginning to play catch up as they assimilate ideas from plasma cosmology.
I am reminded of an episode during that Universe series that dealt with the sun, and I was amazed that the mainstream was publicly using ideas and terminology from plasma cosmology.
Originally posted by buddhasystem
Sorry but I didn't say any of that. You attempt to explain how positive ions acquire considerable energies by traversing a huge potential difference. By the same token, electrons would be travelling inward and never be ejected as part of the corona. Your capacitor model does not work, Zeuzz.
I should ask you Buddha, why do you think that the corona so much hotter than the sun? Surely this would only be expected if energy was being attracted from outside the sun? Astronomers fully admit they have no idea why it is so hot, and I am amazed they can admit that, and say they are confident about the rest of the suns constitution.
You see, the "mainstream" science, as you call it, tends to be populated by honest people. They admit stuff and not make it up (typically).
You may or may not be aware that cosmology is not a basic term. There are many types of cosmology, and each one is looked at in a different way. For instance, you will come across what is known as physical cosmology, religious cosmology, and modern metaphysical cosmology.
As of late, more and more people are beginning to become interested in modern metaphysical cosmology. This type of cosmology can best be described as metaphysics and philosophy combined to study the totality of space and time.
[continued....]
There can be violent plasma streams and associated magnetic fields of weird configurations that accelerate the corona particles to the energies that we observe. I don't know yet. Just like others. But the electric Sun theory is cherry picking, from a field of facts (again, confer the neutrality of the solar wind).
Originally posted by ZeuZZ
Its not mine, its a mixture of juergens and Alfvens.
The part to explain where the electrons are emitted vary at this point, Alfen proposed that the electrons are emitted along the stars axis of magnetism, similar to the gamma ray jets emitted from pulsars and other bodies in space.
I am more inclined to believe Alfvens model, and that solar flares and mass ejections are what cause the electrons to escape back into space by charge equalization across the magnetosphere.
You also seem to have ignored the point of my statement about equalizing charge causing solar flares. Of course, when the charge inside the star builds up to a substancial amount the centre of the star discharges with the heliosphere, and its in these energetic flares that a lot of the electrons and protons are rejected out.
The trouble with some astronomers is that they build up a picture of the universe, a very detailed picture in their mind, one that they are convinced is right.
The way people are taught nowadays give the impression to people that there are no surprises around the corner
"magnetic fields of weird configurations" this sounds dangerously like 'twisted' magnetic fields, magnetic 'cracks', or magnetic 'reconnection'. Please show me ONE experiment where these fictitious magnetic effects have occurred and i will look into it, so far i have seen none.
Acceleration of solar wind ions
The solar wind is not made of "positive ions". It is made of "positive ions" (mostly protons), and negative ions (mostly electrons). The electric sun model not only fails to explain why there are negative electrons in the solar wind, it actually predicts that the positively charged sun should attract electrons, not repel them. Far from being a "prediction" of the electric sun model, the solar wind in fact is a contradiction of the electric sun model and serves to falsify the hypothesis.
It is also worth noting that, according to Maxwell's equations, a time variable magnetic field will generate an electric field, which will accelerate a charged particle. This is a point which the proponents of the electric sun have totally overlooked, never mentioned, and essentially denied, by insisting that only static electric fields will do.
Wal Thornhill has already referred Thompson to low-pressure gas discharge physics as being the appropriate model to use, not simple electrostatics. As a pseudoskeptic, Thompson refuses to address his remarks to this model because it refutes his beliefs and he can’t find any authority to quote that has ever considered the possibility. In the gas discharge model, interplanetary space is an extensive plasma region termed the ‘positive column,’ which is characterized by almost equal numbers of positive charges (ions) and electrons. The plasma is electrically ‘quasi-neutral,’ like a current-carrying copper wire. And like a copper wire, it is a region with a weak electric field that causes a steady drift of electrons toward the more positive ‘sink.’ (The drift speed of electrons in a current-carrying copper wire is typically measured in cm/hr!) The drift current focused down from the vastness of space powers the Sun. The drift field is also responsible for the weak acceleration of positive ions away from the Sun. The result is the quasi-neutral solar ‘wind.’ The electric Sun model is the only one that has a consistent satisfactory explanation for the solar wind.
The phenomenon known as the ‘plasma frequency’ is caused by the ionized (free) electrons’ tendency to lurk and oscillate around the neighborhood of positive ions. The fact that many electrons hover around the vicinity of these accelerating ions is not a contradiction of the ES hypothesis. Only a meager fraction of these electrons are needed to power (to drift toward) the Sun. The accelerating ions are (one of many) currents that are part of a circuit. The electrons are also part of that circuit (driven by circuit potentials, not a ‘central pith ball’ electrostatic potential). These currents will be ‘pinched’ into filaments, sheets and heterogeneous paths. Thompson invokes Maxwell by saying, “...according to Maxwell's equations, a time variable magnetic field will generate an electric field, which will accelerate a charged particle.” True. A time-varying magnetic flux will generate an electric field around a closed path that encircles the flux. But what causes that time variation in the magnetic field? The standard non-electrical response (as I understand it) would be that the magnetic field is frozen into the plasma, and gravity, convection, or some other mechanical force moves the plasma, thereby ‘powering’ the variation in the magnetic field. But, as decades of laboratory and space research have shown, magnetic fields are not frozen into plasmas. Changing electrical currents change magnetic fields. The pseudoskeptics never mention these required – and measured – electrical currents.
Originally posted by buddhasystem
This graph represents the basic properties of a of a plasma discharge as recorded in various laboratory tests with spherically shaped plasmas. It is obviously highly non linear, and shows some of the truly erratic and unknown properties of plasma.
This graph is irrelevant to the issue of in which directions the electrons flow in the corona (hint: in the same direction as positively charged ions, and that is incompatible with the arc theory).
The "plasma cosmology" took bits and pieces of physics and tries to pass it as some arcane knowledge, without being able to do any calculation at all.
In the page on Electric Plasma the three characteristic static modes in which a plasma can operate are discussed. Here is a more detailed description. The volt-ampere characteristic of a typical plasma discharge has the general shape shown below.
The volt-ampere plot of a plasma discharge.
This plot is easily measured for a laboratory plasma contained in a column - a cylindrical glass tube with the anode at one end and the cathode at the other. These two terminals are connected into an electrical circuit whereby the current through the tube can be controlled. In such an experiment, the plasma has a constant cross-sectional area from one end of the tube to the other. The vertical axis of the volt-ampere plot is the voltage rise from the cathode up to the anode (across the entire plasma) as a function of the current passing through the plasma. The horizontal axis shows the Current Density. Current density is the measurement of how many Amps per square meter are flowing through a cross-section of the tube. In a cylindrical tube the cross-section is the same size at all points along the tube and so, the current density at every cross-section is just proportional to the total current passing through the plasma.
When we consider the Sun, however, a spherical geometry exists - with the sun at the center. The cross-section becomes an imaginary sphere. Assume a constant total electron drift moving from all directions toward the Sun and a constant total radial flow of +ions outward. Imagine a spherical surface of large radius through which this total current passes. As we approach the Sun from deep space, this spherical surface has an ever decreasing area. Therefore, for a fixed total current, the current density (A/m^2) increases as we move inward toward the Sun.
* In deep space the current density there is extremely low even though the total current may be huge; we are in the dark current region; there are no glowing gases, nothing to tell us we are in a plasma discharge - except possibly some radio frequency emissions.
* As we get closer to the Sun, the spherical boundary has a smaller surface area; the current density increases; we enter the normal glow region; this is what we call the Sun's "corona". The intensity of the radiated light is much like a neon sign.
* As we approach still closer to the Sun, the spherical boundary gets to be only slightly larger than the Sun itself; the current density becomes extremely large; we enter the arc region of the discharge. This is the anode tuft. This is the photosphere. The intensity of the radiated light is much like an arc welding machine or continuous lightning. A high intensity ultraviolet light is emitted.
The solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of the sun. It consists mostly of high-energy electrons and protons (about 1 keV) that are able to escape the sun's gravity in part because of the high temperature of the corona and the high kinetic energy particles gain through a process that is not well understood at this time.
Originally posted by ZeuZZ
They are being pulled towards the star due its net +voltage, so i'm not entirely sure how you deduced that they move "in the same direction as positively charged ions".
However as sqiz points out in his previous post the plasma frequency of the solar wind enables electrons to move independantly to protons.
Originally posted by buddhasystem
The notion of plasma frequency is related to propagation of EM radiation through plasma, not to propagation of electrons.
Originally posted by buddhasystem
The fact that solar phenomena contain contain complex plasma and magnetic phenomena is not a result of some "development" inside what you call "plasma cosmology". These were known long before the weird term "plasma cosmology" was ever invented.
Originally posted by Ionized
Oh really? The plasma frequency
Originally posted by buddhasystem
Originally posted by Ionized
Oh really? The plasma frequency
Of course the particles in plasa will oscillate if an external variable field is applied. So yes, I made an omission. Thank you. However, I fail to see what plasma oscillations have to do with the proposed potential difference between the Sun and the alleged shell, and how this potential difference manages to accelrate charges of opposite signs in the same direction!