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What type of radiation comes from spiral galaxies?

April 26, 2017comes Galaxies radiation Spiral type

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What type of radiation comes from spiral galaxies?

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Spiral galaxies give of far-infrared radiation. Far-infrared radiation (FIR) is Infrared electromagnetic radiation of very long wavelengths, in the range of 2-50 microns. FIR is radiated from star formation, and can trace the formation of stars as well. The center of spiral galaxies produces ultraviolet radiation. The warm dust in the nucleus and spiral arms of a galaxy radiates in the infrared portion of the spectrum. X-ray emissions are seen from globular clusters and hot gas regions of spiral galaxies.