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neoweb
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What process within a star causes it to emit electromagnetic waves (light, x-rays etc.)? What is the source of the electricity / magnetism inside the star?
"how far it is able to travel"?
Tom Mattson said:Wavelength and frequency are of course inversely related; wavelength*frequency = c.
h8ter said:That is only applicable when involving a stationary source and detector. Maxwell makes that quite clear.
JV said:It seems to me that you make it more difficult than it is. I think that the majority of the EM-radiator of the sun is created by the fact that the surface of the sun is very hot. And like everything that is hot, it produces photons. I mean even your radiator produces infrared. Right? Or did I miss the point?
HallsofIvy said:Yes, which is why Einstein had to make it clear that it doesn't matter. Everything is stationary relative to something!
I'm not sure what you're trying to point out here ... if you observe light (EM in general) from a distant source and measure the light's wavelength, frequency, and speed, you will find that "wavelength*frequency = c", as SelfAdjoint said. If you talk with your friend, in a distant galaxy which you perceive is receding from you at close to c, and ask what she measured (for the 'same light' that you detected), she will tell you that "wavelength*frequency = c", where "c" is the same as the value you obtained. Of course, her values for wavelength and frequency will be quite different from the ones you obtained with your detectors.h8ter said:That is only applicable when involving a stationary source and detector. Maxwell makes that quite clear.SelfAdjoint said:Wavelength and frequency are of course inversely related; wavelength*frequency = c.
h8ter said:Nothing is ever stationary.
All objects are in constant motion.
It was noticed that when applying Maxwell's equations to moving objects, that they did not uphold his conclusions. To correct this fallacy, Lorentz introduced the Lorentz Transform, which I have yet to see how that can take in account of lag.
Stars emit electromagnetic waves as a result of their high temperatures and the nuclear reactions happening in their cores. These reactions release huge amounts of energy, which manifest as electromagnetic waves.
Stars emit a wide range of electromagnetic waves, including radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. The type and amount of radiation emitted depend on the star's temperature and composition.
Stars produce light through a process called nuclear fusion, where hydrogen atoms fuse together to form helium. This process releases energy in the form of photons, which are particles that make up light.
Yes, stars can emit harmful electromagnetic waves such as X-rays and gamma rays. However, most of these waves are absorbed by the Earth's atmosphere, protecting us from their harmful effects.
Yes, all stars emit electromagnetic waves. However, the amount and type of waves emitted can vary greatly depending on the star's size, temperature, and stage of life. Even stars that are not visible to the naked eye, such as brown dwarfs, emit electromagnetic waves.