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The Electromagnetic Spectrum

.The Sun emits a wide range of electromagnetic waves, from long-wavelength radio emissions to short wavelngth gamma rays. (Courtesy Space Telescope Science Institute and Dana Berry). From left to right:

  • A solar X ray image reveals plasma at 3 million degrees in the upper corona. (Courtesy Japan/Yohkoh)
  • A solar extreme ultraviolet image reveals plasma at 1.5 million degrees in the lower corona. (Courtesy NASA/SOHO)
  • Ground-based image of the Sun as seen in an emission line of Helium.(Courtesy Kitt Peak National Solar Observatory)
  • Image of the Sun from ionized hydrogen at about 10,000 degrees (Courtesy Kanzelhohe Solar Observatory)




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