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#171
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Dear George Dishman:
"George Dishman" wrote in message ... "Bjoern Feuerbacher" wrote in message ... greywolf42 wrote: George Dishman wrote in message ... snip I'm also not familiar with the term "a wash". Probably you meant it in the sense of definition 4 at www.m-w.org? wash (noun) 4 a : worthless especially liquid waste : REFUSE b : an insipid beverage c : vapid writing or speech It still dosn't any much sense to me. Try this one: American Heritage Dictionary Noun, #13... Informal: An activity, action, or enterprise that yields neither marked gain nor marked loss: "[The company] doesn't do badly. That is, it's a wash" (Harper's). David A. Smith |
#172
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![]() "N:dlzc D:aol T:com (dlzc)" N: dlzc1 D:cox wrote in message news:vbFDd.23645$CH5.19089@fed1read01... Dear George Dishman: "George Dishman" wrote in message ... "Bjoern Feuerbacher" wrote in message ... greywolf42 wrote: George Dishman wrote in message ... snip I'm also not familiar with the term "a wash". Probably you meant it in the sense of definition 4 at www.m-w.org? wash (noun) 4 a : worthless especially liquid waste : REFUSE b : an insipid beverage c : vapid writing or speech It still dosn't any much sense to me. Try this one: American Heritage Dictionary Noun, #13... Informal: An activity, action, or enterprise that yields neither marked gain nor marked loss: "[The company] doesn't do badly. That is, it's a wash" (Harper's). Thanks David, that matches a description I got by email, but it still doesn't seem to make much sense in the context. For the example of a single thin shell, the value can be determined empirically if th distance is known and in that sense is what greywolf usually calls an "adjustable parameter". If the shell is only part of an integration then other parts of the larger model can place constraints on the form of k(r) and that can be significant. For example if the universe is homogenous, isotropic and static, k(r) will be exponential. George |
#173
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Bjoern Feuerbacher wrote in message
... greywolf42 wrote: George Dishman wrote in message ... [snip] I don't see the difference (unless you mean the specific temperature). Does this "electron vortex noise" have a blackbody spectrum or not? Yes, the spectrum mimics the blackbody shape. No the source is not the temperature of the electron. Why is the spectrum that of a blackbody? Because it arises from the motions of the corpuscles in the aether. [snip] See my other post. If the hydrogen (or whatever is the source of the radiatin) isn't moving relative to the detector then you don't get a Doppler effect and you don't explain the dipole. That's relativity, not aether theory. The electrons themselves are distorted by their motion through the aether. Hence, so is the emission. So electrons have a finite size and are compressible, or what? Yes and yes. How exactly is the radiation produced by the electrons, and why does a compressing of the electrons by the Lorentz factor lead to a Doppler shift in the emitted radiation? 1) It doesn't lead to a doppler shift. 2) It leads to an anisotropy. [snip] To analyse the above using Ned's test, Correction: *YOUR* test. This isn't Ned's test. IMO it is. We've been through that, and agreed that I will listen to *your* version. Which is identical to Ned's version, as far as I can see. Your unsupported assertion is useless. [snip] Looking at Ned's graph, the local (z ~ 0) electron hum would be measured as the black line other than being scaled down by the factor k. Since the k applies to all source densities (distant and local), the "k" factor here will be a wash. I'm not familiar with that term, what do you mean? "k" is *your* term, above. Err, he *obviously* asked for the meaning of your term "wash", not for the meaning of "k" - see the next question directly below! *Who* is deliberately obtuse here? LOL! *Obviously,* you are. ![]() (Because you have to determine the source density from what you measured.) The factor is present in the equations but may be able to be determined empirically, is that what you meant by "a wash"? Close enough. I'm also not familiar with the term "a wash". Probably you meant it in the sense of definition 4 at www.m-w.org? No idea. Your link doesn't go to a definition. It means that it makes no difference, or insiginficant. [snip] No, each shell would produce a different red curve depending on the source temperature, the distance (hence z), the k factor for that shell and the integral of k for all shells closer to us which will partially hide more distant shells. Why are you now assuming that the temperatures are different at each source? He is not necessarily assuming that above. Why do you think so? He merely takes the *possibility* into account that this is so. George is explicitly assuming that the temperature at 0.1 z is higher than the local temperature. And that the temperature at 0.2 z is higher than at 0.1 z, etc. For the peak of each curve to match the black curve, each shell must be at a temperature of (1+z)T so the farther back into the past you look, the higher the temperature. But we don't need each individual curve to match the black curve. If you are arguing against your uniform-external-source model, you need to show that the integrated signature doesn't match the shape of the received curve. Well, how likely is it that the integrated signature would give a blackbody curve again if the individual curves do not match a blackbody spectrum? That would indeed be an incredible coincidence. That's why we have calculus, Bjoern. In order to find these things out. If you want to claim that something is disproved, you actually have to do the calculation -- not some other calculation. (Of course you'd also have to justify your Earth-centered universal temperature distribution.) What would work better against that strawman is an integration over constant density and constant temperature sources. Which is exactly what George suggested originally, IIRC. You don't RC. George has never done this. Ned has never done this. You have never done this. [snip] I hope my other post cleared that up. The peaks are equal if you allow for the energy loss due to graphing against frequency. They are not equal if you don't. A substantive physics test will not rely upon the type of graphing used. I get the faint suspicion that you did not understand the argument. I get the faint suspicion that you don't have any substantive physics to post. [snip] {snip higher levels} No, tired light reduces the energy by (1+z) while the Stefan-Boltzmann Law increases the total power by (1+z)^4 leaving the discrepancy of (1+z)^3. That is the point of Ned's page. Based on what assumption of source density? You keep ignoring this question. He obviously uses the simplest possible assumption (constant density) here. He hasn't even got that far. But constant at what *value,* Bjoern? Those are absolute values on the ordinate of the graph, not relative ones. [snip] Since the volume of any region of space increases as the cube of its dimensions, that reduces the photon density and hence the intensity. You've fallen into the BB assumptions again. Photon density remains constant per unit volume as you arbitrarily expand the volume of space you are considering in your "region". Unless you expand space (which is a BB assumption). PF does not expand space. TL does not expand space. And George was also not talking about expansion of space above. Your point? Then what *was* he talking about, Bjoern? How does photon density get reduced, if space is *not* expanding? [snip] then there will be an error in intensity of (1+z)^3 while if the motion causes expansion by a scaling of exactly 1+z then the result exactly matches a black body. Intermediate amounts of motion would give an intermediate intensity factor. Total non-sequiteur. That's the BB model again. No, it isn't. Why on earth do you think so? The past dozen exchanges or so. Why do you feel the need to jump in late with random ignorances? [snip] I don't currently know of any such theories. Which is what I said a long time ago, I'm prepared to consider tired light theories but I don't know of any that can explain the dipole and the spectrum of the CMBR. TIRED LIGHT THEORIES HAVE NO NEED TO EXPLAIN BIG BANG ASSUMPTIONS! Neither the dipole nor the spectrum of the CMBR are "big bang assumptions". They are data. ROTFLMAO!!!!! The BB assumes that the CMBR is an afterglow of the big bang. Why do tired light theorists think that they have to explain only one set of data which the BBT addresses (the red shift), but can ignore others? Because of my very next sentence. Try reading for a change, Bjoern. Cosmic origin of the MBR is a BB assumption. It does not exist in any tired light theory. George did not say it does. But it *is.* Regardless of what George says. [snip] You have been claiming that you approach this as a "test", that can only be applied to a specific theory at a time. Now, you slip back into several universal claims that "tired light" is disproved. I have not seen George saying in any of these posts that "tired light" is disproved by this. Perhaps you should have actually read the text you snipped. [snip] -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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Bjoern Feuerbacher wrote in message
... greywolf42 wrote: Joseph Lazio wrote in message ... [snip] I also don't understand how this would explain observations of the temperature of the CMBR in other galaxies Since we aren't in other galaxies, there are no such observations. Claims otherwise are based on circular logic. Please explain what exactly the circular logic is there. Sure. Please provide the specific citation that you claim is an observation of CMBR temperature in other galaxies, and I'll point out the circularity. (Since neither you nor Joseph were specific in your claims, I can't be more specific.) nor how it would explain the SZ effect. (The antenna "knows" when we are looking at a cluster of galaxies and adjusts the resulting signal accordingly?) Quite simply, the claimed observation "SZ effect" is an artifact of circular theories and dedicated theorists. In other words: you simply deny the data. Not at all. I see the data, but I don't agree with the theorists conclusions. I conclude that the claimed "data" is merely noise. If you'd like, we can discuss the quality and source of the data, and the basis for the theoretical conclusions in each case. As noted in recent posts, my understanding of the S-Z effect is that the inspiration behind the S-Z effect is fine (if there IS as CMBR, then hot electrons will distort the CMB spectrum toward the blue). The problem arises in execution. Where excessive zeal and sloppy terminology leads one to hunt for miniscule reductions in intensity of specific MBR wavelengths. Literally dozens of experiments were done that "should have been" sufficient precision -- but all they found was noise. A few more recent experiments have "removed systematic errors" by computer processing. And claim resolutions below the physical resolutions of the apparatus. Yet again your nonsensical claims about being below the physical resolution. Special plead evasion noted. Is it below the physical resolution of the instrument -- or not -- Bjoern? If not, please point me to the reference for the physical resolution of these instruments. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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Joseph Lazio wrote in message
... "g" == greywolf42 writes: g Joseph Lazio wrote in message g ... g You did miss the fundamental point that the MBR in my favorite g theory comes from the antennae of our measuring devices. This was a favorite statement of Grote Reber, the first radio astronomer. I've never quite known what to make of it. g Thanks, I hadn't heard of Reber. Did he do any work with Bell g Labs? IIRC, no. Reber essentially invented the field of radio astronomy, so I'm inclined to take seriously any of his suggestions. On the other hands, he was wrong at times. [...] Moreover, he never suggested a physical mechanism by which the MBR would be produced, and he knew as much about radio antennas as anybody. g One doesn't have to have a theory for the mechanism, in order to g experimentally identify the difference between an internal signal g and an external signal. I just read the Penzias & Wilson (1965) paper and an associated Penzias & Wilson (1965) paper. From that, my understanding is that they did distinguish between an internal signal and an external signal. Specifically, they were able to show that, whatever the signal is, it must be entering through the antenna. A completely false assertion. Because your claim is based on the following distortion: It is not generated within the electronics at the backend of the antenna. ROTFLMAO! No one claimed that it was generated in the electronics that are attached to the antenna! The point is that it is generated by the electrons contained *IN* the antenna. I also don't understand how this would explain observations of the temperature of the CMBR in other galaxies g Since we aren't in other galaxies, there are no such observations. g Claims otherwise are based on circular logic. I'm disinclined to believe proofs by assertion. In lieu of some concrete statements based on papers cited to you, I stand by my objection. LOL! How many observations have we done with detectors located in other galaxies? Perhaps you'd be so kind as to support your claim that you have observations of CMBR temperature in other galaxies. Then I'll be happy to show you the circularity in your citation. nor how it would explain the SZ effect. (...) g Quite simply, the claimed observation "SZ effect" is an artifact of g circular theories and dedicated theorists. g As noted in recent posts, my understanding of the S-Z effect is g that the inspiration behind the S-Z effect is fine (...). The g problem arises in execution. Where excessive zeal and sloppy g terminology leads one to hunt for miniscule reductions in intensity g of specific MBR wavelengths. Literally dozens of experiments were g done that "should have been" sufficient precision -- but all they g found was noise. A few more recent experiments have "removed g systematic errors" by computer processing. And claim resolutions g below the physical resolutions of the apparatus. You haven't demonstrated to me either that you understand the S-Z effect nor that you understand signal processing. Therefore, I stand by objections. The classic special plead evasion. I don't have to demonstrate to you. If you can't address my specific comments about the effect and the signals, you have no scientific support for your position. You are free to maintain your belief system, however. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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George Dishman wrote in message
... "greywolf42" wrote in message . .. George Dishman wrote in message ... {snip higher levels} It is just what you said, quoted above. The quote above never mentions "postulates". It is a conclusion, not an assumption (postulate). _I_ am stating these as postulates based on my understanding of what you have said previously with the noted exception of the motion of the source that we discuss elsewhere. Ah. But they aren't postulates in the theory under discussion. Your understanding is incorrect. Which was my point. {snip higher levels} I don't see the difference (unless you mean the specific temperature). Does this "electron vortex noise" have a blackbody spectrum or not? Yes, the spectrum mimics the blackbody shape. No the source is not the temperature of the electron. I wasn't claiming it was, note the word "equivalent". {snip higher levels} See my other post. If the hydrogen (or whatever is the source of the radiatin) isn't moving relative to the detector then you don't get a Doppler effect and you don't explain the dipole. That's relativity, not aether theory. The electrons themselves are distorted by their motion through the aether. Hence, so is the emission. As noted in another reply, it applies to both since both derive the measured effects (length contraction, time dilation, mass anisotropy, etc.) from the Lorentz Transforms. It surprised me that two quite different philosophies should produce identical predictions but that's the way it is. No, that's not the way it is. Lorentz' theory does not contain the Relativists' "Lorentz transforms." Don't get confused by the name. Sorry, it's not possible to explain the dipole in that case. I'm not pushing the strawman, feel free to change your suggested source in any way you think can explain the dipole. You are incorrect. However, I must apologize for overly simplifying my responses -- to the point where I was apparently not clear. That's ok, you only mentioned motion which is entirely reasonable and Lorentz factors cannot change the frequency measured by a real detector. Of course it will change the "absolute" frequency by the time dilation factor but that is unmeasureable because the aether affects the detector too. Again, you confuse SR with Lorentz' theory. {snip higher levels} I missed a quote, it was in one of your recent posts. I'll try to find it if you like. You have a short memory. That was you on 12/27: "Extinction is discussed by Perlmutter ss 'grey dust'." Nope, found it: "greywolf42" wrote in message ... Sigh. Extinction due to grey dust is not contained in any tired light theory. Only in strawmen. Hence I frankly don't care to go out on another tangent. "Grey dust is still *your* term, not mine. My quote simply identifies that no such term exists in tired light theory. {snip higher levels} Black body radiators are also perfect absorbers. Did you have a relevant point to make? No, it was a side issue that you might like to consider separately from this discussion. A degree of extinction will be a consequence of your model. No. Tired light models have nothing whatsoever to do with extinction. Photons will return some energy to the aether producing the tired light effect as you say but also some photons will be absorbed by electrons. The latter has nothing to do with the tired light model. The cross section could be very small though so we can continue to ignore this. Please. snip {snip higher levels} Again, I'm not pushing the strawman, correct me if if that is in error. Ned's theory requires an electron density for cosmic origin. Your theory requires an electron density for emission at intermediate location. Mine does not ... because it is a signal internal to the antenna. OK, as explained, the dipole (and the correlation of the anisotropy between missions) rule out an internal source No. Your explanation was simply assuming SR, as corrected above. so I guess we need to consider the source density again. It's covered by the 'k' factor I mentioned so I'll leave it for the moment unless you want to go into it more. BTW, I'm not assuming k is constant with time but it is the same for a given shell. Nope. Your assumption of SR is invalid. snip {snip the wash confusion} {snip higher levels} No, each shell would produce a different red curve depending on the source temperature, the distance (hence z), the k factor for that shell and the integral of k for all shells closer to us which will partially hide more distant shells. Why are you now assuming that the temperatures are different at each source? The above is only a statement of fact, the curve would depend on the source temperature. It is not a statement of fact, it is a statement of assumption. Yes, a single curve from a single shell will depend upon the temperature of the specific source that you assumed. However, you keep increasing temperature of the shell with distance. For the peak of each curve to match the black curve, each shell must be at a temperature of (1+z)T so the farther back into the past you look, the higher the temperature. But we don't need each individual curve to match the black curve. If you are arguing against your uniform-external-source model, you need to show that the integrated signature doesn't match the shape of the received curve. (Of course you'd also have to justify your Earth-centered universal temperature distribution.) I suppose it could be Earth centered and constant in time at each location but that's not what I meant. I was considering that the temperature is the same everywhere at any time from which the conclusion would be that it was higher in the past. That is the BB assumption. Tired light can be constant in time and constant in space. Indeed, it can be any variant that you assume. But *you* have to support any assumed changes in temperature with time and/or space. Because that isn't part of any tired light theory. {snip higher levels} I hope my other post cleared that up. The peaks are equal if you allow for the energy loss due to graphing against frequency. They are not equal if you don't. A substantive physics test will not rely upon the type of graphing used. I am saying that you need to reconsider the above paragraph because you previously dismissed it for a reason that you now know to be incorrect due to your misreading of what was being graphed. My point is that you will have to do better than picking arbitrary distances and assuming temperatures that support only your strawman. Ned's graph is correct for tired light. Here you violate your own rule that Ned's test / *your* test can only be used against a single theory at a time. Yet here you throw out another blanket claim that "tired light" is disproved. {snip higher levels} No, tired light reduces the energy by (1+z) while the Stefan-Boltzmann Law increases the total power by (1+z)^4 leaving the discrepancy of (1+z)^3. That is the point of Ned's page. Based on what assumption of source density? You keep ignoring this question. Ned's graph is for 100%, 100% of what? The graph is absolute units. Not relative. in this discusson I have defined the coverage as 'k' for any shell. That can be generalised further as k(t) assuming the source is homogeneous and isotropic. Based on what assumption of source density. In physical units of physical objects. Not percentages. {snip higher levels} Yes and no. Think back to how we got the value of 0.024% per MPc for mu in the tired light theory. It comes from the observed redshift versus distance. Of starlight, yes. Now note that in the Plasma Fireworks model, some of the redshift is due to motion Yes. so the amount of energy loss due to tired light would be less Yes. hence mu would have a smaller value Yes. which we could find if we could separate out the motion part. Which we can't, of course without other theoretical calculations. If objects were moving apart fast enough, that could explain all the redshift and hence mu would be zero. Yes. You can have a PF model without tired light. And you can have a tired light model without PF. Redshift-distance alone cannot determine which is real. Since the volume of any region of space increases as the cube of its dimensions, that reduces the photon density and hence the intensity. You've fallen into the BB assumptions again. Photon density remains constant per unit volume as you arbitrarily expand the volume of space you are considering in your "region". Unless you expand space (which is a BB assumption). PF does not expand space. TL does not expand space. If there is no motion If there is no motion, then there is no PF model. Why are you throwing around these self-contradictory arguments? Have you now abandoned discussion of the pure PF model and gone back to pure tired light? Interesting, I need to think about that. PF effectively means the source density is falling but does that compensate the measured intensity? I'll need to think a bit more about that. I'm not sure what you are compensating for. then there will be an error in intensity of (1+z)^3 while if the motion causes expansion by a scaling of exactly 1+z then the result exactly matches a black body. Intermediate amounts of motion would give an intermediate intensity factor. Total non-sequiteur. That's the BB model again. Assuming you are right above then it is much simpler. PF fails by (1+z)^3 as well. Wrong again. You are again assuming BB generation of MBR. As I said before and you said you understood, the Wein Displacement Law means that the source temperature T is proportional to (1+z) to get the peak at the right frequency, the Stephan-Boltzmann Law means the intensity is raised by T^4 and tired light then reduces the intensity by (1+z). The remaining ratio is (1+z)^3 which can be cancelled by expansion. I had thought the expansion in PF would do but maybe not. That's because you can't get your mind out of the BB rut. PF also does not have cosmogenic MBR. In other words, the amount by which the observed intensity deviates from that of a black body is an indirect measure of the value of mu, and if there is no difference then mu=0, and that means light doesn't tire. Mu is based on starlight ... not the CMBR. Once they have been emitted, tired light applies to _all_ photons. But MBR is an "emitted" photon only in the BB theory. It may be electron hum in PF and TL. {snip higher levels} I'm prepared to consider tired light theories but I don't know of any that can explain the dipole and the spectrum of the CMBR. TIRED LIGHT THEORIES HAVE NO NEED TO EXPLAIN BIG BANG ASSUMPTIONS! Tired light doesn't have to explain the workings of stars, but as you said above "Mu is based on starlight" Yes, but this has nothing to do with the "workings of stars." Tired light must affect the photons observed as the CMBR so the CMBR can be used to test tired light. Only if you first assume something about the specific source(s) of the CMBR. By considering the spectrum and intensity, that is what we are doing. Tired light doesn't have to explain what causes the CMBR but it does have explain why it doesn't flatten the low-frequency end of the spectrum. I think you can only do that for specific theories regarding the source hence I do not claim it applies to all. But you *DID* claim that it applies to all tired light theories, above. ("Ned's graph is correct for tired light.") And *NONE* of those tired light theories are tied to any one theory of CMBR source. Cosmic origin of the MBR is a BB assumption. It does not exist in any tired light theory. BB does explain them and tired light could, in theory, also occur in a BB universe, That is a combination that we have not specifically discussed. But what you are attempting to do is arbitrarily force TL into a BB cosmos. If you have one, you don't *need* the other. but the expansion scales as (1+z)^3 which means that mu has the empirical value of 0 to the limit of the resolution of our measurements. Total non-sequiteur. You have been claiming that you approach this as a "test", that can only be applied to a specific theory at a time. I am only applying it to this strawman which, I think, is similar to your ideas other than having the hydrogen outside the detctor as required by the dipole. I have no such ideas. The dipole does not require a MBR source outside the detector. That arose from your own tortured logic. If you now think it would apply to many others too that's fine, but I am not claiming this test applies to all tired light theories. A pathetically misleading statement. See above: ("Ned's graph is correct for tired light.") Now you say it's for all "external" sources. Now, you slip back into several universal claims that "tired light" is disproved. You may make that claim, I do not. LOL! Disingeneousness on top of distortion. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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Bjoern Feuerbacher wrote in message
... greywolf42 wrote: Bjoern Feuerbacher wrote in message ... [snip stuff discussed elsewhere] {snip higher levels} Why not? Becuase the MBR is not part of the theory, of course. The fact that the BB assumes that the MBR is "relic radiation" does not mean that other theories have to explain it. So tired light theories only attempt to explain red shift? Or they predict it. They don't try to model other cosmological observations? Why would they. Tired light theories only model things related to the theory. No theory does otherwise. Ned's claims (based on cosmogenic CMBR) are not valid. What, exactly, do you mean with "cosmogenic"? Created by the origin of the cosmos. Ned's example of a tired light theory does not use a CMBR which is created by the origin of the cosmos. Then there is no reason to presume that temperature increases with increasing z. [snip] -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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George Dishman wrote in message
... "Bjoern Feuerbacher" wrote in message ... George Dishman wrote: "greywolf42" wrote in message ... [snip] Even plasma fireworks does not require the big bang. The latter adds creation of space. Big bang describes the idea that at large scales, distances between objects are systematically increasing. It doesn't yet go back to creation since the theories break down at least at the Planck time. I think he did not mean the initial creation of space here, but wanted to say that the expansion of the universe required a continuous "creation" of "new" space. Possibly, but I don't think it makes much sense to describe expansion this way. In the big bang version, photons can be thought of as being "stretched" during their journey by the same factor as space expands but "creation of new space" raises the prospect of a photon getting cut in half if it happened to straddle the location where a bit of "new space" was "created". That is a false assertion. Changing words from "created" to "stretched" doesn't change anything. They are both creation -- unless you have some sub-space, into which space is being stretched. Both pictures, cutting a piece of vacuum in two and putting more new vacuum inbetween or taking a piece of vacuum and stretching it sound equally odd. Just saying that material objects end up farther apart is true either way. True, but this is also true of the plasma fireworks model. So saying "material objects end up farther apart" doesn't add anything to the clarification. I suspect red shift can be considered in terms of the relationship between worldlines and geodesics at the emitter and receiver again without worrying about what happens in flight (but I can't be sure of that as I haven't studied GR) but it makes more sense to me than thinking of photons as extended objects that get stretched along with the underlying "fabric of space". But the fabric of space doesn't get "stretched" or "created" in plasma fireworks models. That's the point. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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Bjoern Feuerbacher wrote in message
... greywolf42 wrote: Bjoern Feuerbacher wrote in message ... I think he did not mean the initial creation of space here, but wanted to say that the expansion of the universe required a continuous "creation" of "new" space. [snip] I think we are all on the same page on this one. (Thank goodness.) Good. And now please explain why continuous creation of new space is a problem. Who said it was a "problem," Bjoern? It's simply a part of BB theory, but not a part of plasma fireworks theory or of tired light theory. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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George Dishman wrote in message
... "greywolf42" wrote in message . .. George Dishman wrote in message ... snip {snip quibbling} {snip sections uncommented by George} http://scienceworld.wolfram.com/physics/PlanckLaw.html Just plot the curves for the two temperatures to get the black and blue curves. I'll say more below. I understand Planck's law, thanks. ... Apparently not: Special plead noted. And ignored. "The Planck law gives the intensity radiated by a blackbody as a function of frequency (or wavelength)." "where I_v is called the specific intensity or brightness and in MKS has units of J s^-1 m^-2 ster^-1 Hz^-1, or energy per unit time per unit area per solid angle per frequency interval." Note that Hz^-1 and "per frequency interval" are in the definition, so Ned's usage of the term is completely appropriate and standard in Plank's Law. Anyway, this has now been cleared up so let's concentrate on more interesting matters. No, the term "intensity" does not include "per frequency interval." Even if you'd like it to. Now, where did you get the "intensity" that gave you the original blue curve? ... I understand Planck's law, thanks. But that doesn't answer the question. Now, where did you get the "intensity" that gave you the original blue curve? snip {snip rocks and percentage coverages, now clarified} You've got it now. The connection is that you could think of your humming electrons as very small rocks (neglecting the frequency dependence that would result). The electrons could not be considered very small rocks. As they aren't in the 'sky' at all. Yet the question remains unanswered. Where did you get the intensity used in your graph / Ned's graph? As I said the intensity comes from Planks Law but I see now you are really asking where the assumption of 100% coverage comes from. Ned doesn't say so I'll give you my understanding of why I would do the same if I was writing the page. No, I'm asking 100% of *what*. What are the absolute units and material? Or are you assuming that a solid (i.e. opaque) blackbody radiator is being used? Think of Olber's Paradox. The basis is that every line drawn outward from the observer will eventualy intercept the surface of a star. There is no such paradox. Olber *solved* Halley's documentation of the pub-stumper, in 1823. Oddly enough, with the first exponential "tired light" theory. (Olbers estimated the "defect" as equivalent to losing 1 of 800 light rays emitted by Sirius and received by us.) Similarly, if the rocks aren't confined to a thin shell but are homogenously distributed through space then any line from the observer will eventually hit a rock. Take a look at the thread "Myth of Olber's Paradox", from June, 2003 in sci.physics and sci.astro. "Olber's paradox" is a creation of sloppy cosmologists and bad history. (I'm not seriously suggesting the CMBR is emitted by warm rocks.) Then there was no need to impugn tired light theory with the following claim of "coincidence." {snip higher levels} "The tired light model can not produce a blackbody spectrum for the Cosmic Microwave Background without some incredible coincidences." You aren't that dumb. Ned doesn't make any mention of any specific "coincidence" of a tired light model. {snip higher levels} Gratuitous insult noted and ignored. Let's try this in more genteel terms. Ned's statement is statement of pure guilt-by-association, that implies that there are "coincidences" in tired light theories -- without identifying a single such coincidence. The obvious one It may be 'obvious' to you, but Ned never mentioned a single coincidence. His statement is still slime. is that the sky coverage is exactly the right fraction to reduce the intensity by a factor of 1.331 (generally (1+z)^3), or that there is sufficient extinction to do the same. I guess it is so obvious, he didn't need to spell it out. After all, you spotted that one yourself. But no tired light theory includes this strawman. Nor do they need it. In short, it is slime. In short, you cannot fault the physics so you impugn the author. LOL! The physics was shown false long ago. So you resorted to the last-ditch claim of "coincidence". snip more covered above and on jargon That doesn't explain why the pattern of temperatures on the sky seen by the two separate missions matches. The COBE detector didn't see any patterns -- aside from a slight dipole. After removal of the dipole, it also saw the upper diagram: http://map.gsfc.nasa.gov/m_ig/030628/030628B_s.jpg No, that's simply artifacts of computer processing of noise. WMAP saw the lower diagram and the correlation is obvious even by eye. Of course it is. WMAP is also computer generated, by people with a vested interest in finding what they expect. I'm not aware of any other missions that look at temperature directly. (WMAP doesn't, for example.) For the CMBR, the only thing we can measure directly is the EM radiation that we receive. There are other ways to measure temperature in other situations but I don't believe they are applicable to the CMBR. Then they aren't applicable to WMAP. snip In this case, the bell (electron) *itself* is changes shape by the motion of the breeze. It's called Lorentz contraction. Because this is aether theory, and not SR, this is a "real" compression of the object. This compression changes the frequencies emitted by the bell in different directions. However, listen to a bell ringing on a train as it passes and you will hear the Doppler effect. I'm well aware of the doppler effect, thanks. The fact that the aether is moving cannot explain the dipole in the CMBR if it is emitted by the electrons bound in hydrogen, either the hydrogen is moving or the CMBR must be emitted by the aether itself if you are to use the motion to explain the dipole. You are laboring under the misconception that matter (i.e. electrons or your bell) are unaffected by their motion through the aether. Lorentz showed that they *are* affected, back in 1904. However contraction isn't the only effect. It *is* the only effect in Lorentz' theory. And aether theory. It is not the only effect in SR. All the effects can be derived by applying the Lorentz Transforms This is not true in Lorentz theory, or aether theory. It is only true in SR. and when you do that you find that the effects cancel out so that it is impossible to sense the motion of the aether in any way. That is the result of e-sycnhing -- not even of SR. This is obvious when you realise that LET uses exactly the same equations as special relativity, This is simply a false statement. LET does not use the Lorentz transforms. and of course there is no change of frequency due to motion of the aether in that because there is no aether in it. Hence it follows logically that there can be no frequency change in any Lorentz invariant aether theory either. Your logic fails because you made the false assumption that LET uses the same equations as SR. Sorry I wasn't clear. If all matter radiates, you don't need to test the COBE or WMAP equipment, every test house in the world with a screened room would have measured the microwave peak the moment they tried to check that the room was properly shielded. snip P&W tangent, nobody is claiming that P&W mapped the anisotropy LOL! The P&W discussion wasn't about the anisotropy at all. and the correlation of the anisotropy map over different missions is the argument that the radiation is not due to errors in individual detectors Nor is the argument about "errors" in individual detectors. The issue is the unwillingness of you and other Believers to do a simple experiment to verify that the MBR is coming from outside the antenna. ========================== If it is of cosmic origin, then you will be able to screen it out. If it is of antenna matter origin, you won't. That's why one would do the test. To show that the "cosmic" MBR really is external to the detector. The test appears to have been ignored, because popular theory did not predict any such thing. Sorry I wasn't clear. If all matter radiates, you don't need to test the COBE or WMAP equipment, every test house in the world with a screened room would have measured the microwave peak the moment they tried to check that the room was properly shielded. Which may be what every technician at Bell Labs did ... until Penzias and Wilson 'forgot' to do the test. Physicists simply began calling the earlier non-identifications "false zeroes." But without ever explaining what the prior groups had done wrong. ========================== So all we need to do is to find a paper that shows that such a test was done. But no one on these newsgroups is aware of any such test actually being done and reported. Some even claimed that such a test was impossible. (Any excuse is sufficient to defend the Faith.) This paper gives information about WMAP on-orbit testing which is an equally valid method. LOL! No, it's not the same. It still doesn't test whether the signal arises in the detector. http://arxiv.org/abs/astro-ph/0302224 There are other papers on characterisation he http://map.gsfc.nasa.gov/m_mm/pub_papers/firstyear.html But characterization isn't the issue under discussion. It's the fact that no one has ever done a test to see if the signal arises outside the antenna of the detector .. at least since Penzias and Wilson. To wit: "Physicists simply began calling the earlier non-identifications 'false zeroes.' But without ever explaining what the prior groups had done wrong." I take your inability to come up with such a test to be confirmation that one has never been done. Welcome to the house of cards. -- greywolf42 ubi dubium ibi libertas {remove planet for return e-mail} |
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Breakthrough in Cosmology | Kazmer Ujvarosy | SETI | 8 | May 26th 04 04:45 PM |
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