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Originally Posted by Baloo
I wasn't joining anything; this a Q&A thread, I've just pointed out that in my opinion the images provided by you in the first post are not related to a blackbody spectrum, therefore your original question "does Lockheed Martin understand blackbody radiation?" is meaningless in the context of those images.
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I disagree. LMSAL is using two wavelengths to create a "mini" black body spectrum. That is in fact the whole idea of a 'heat signature'. The problem here is they got everything right in the software, but didn't recognize what they were looking at, or misunderstood their own software. That coronal loop is and must be "hotter" than the "surface" of the photosphere. The cool areas in the composite image make it clear that the heat is concentrated in the coronal loops. Any and all images x-ray images of the sun show these emissions are concentrated in the coronal loops. This superheated plasma from below rises through the surface of the 6000K photosphere. If that blue background were truely 'hotter' than the superheated plasma columns, they too would glow, presumably brighter, than the coronal loops themselves. The composite image shows the affect of these loops extending into the corona where they pick up heat and emit soft x-rays. This is "mini" black body spectrum. Lockheed even got the color scheme correct. Red is typically associated with hot, and blue and black with cold. That does in fact suggest the software was written properly, but the interpretation was incorrect.
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How do I know? Well, let see: Lockheed images are depicting a phenomena happening in the chromosphere and above it, at a 1.000.000 °K temperature;
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Only the yellow region of the composite imag shows what is above the chromosphere. Their is a atmospheric range depicted in the comoposite image that shows coronal loops coming from the transition layer Dr. Kosovichev images in sound wave, reaches through the plasma layers, and into the corona, where soft x-rays are emitted.
If the iron in the dark areas was really a million degrees like the loop, then the backround would also emit a LOT MORE photons than the coronal loops. That is not what we see. We see a cold photosphere and hot coronal loops.
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And Maksutov has a very good point; if you want to adress other issues please do it in an appropriate thread.
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I will only argue this issue from a standard gas model perspective. It does not matter how I argue the point, and it has significant implications for the gas model if I am correct.
In the original image, why is the background dark, if it is hotter than the brightest areas of coronal loops, and why is it also invisible to Yohkoh?