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Doppler effect on light

  1. May 16, 2014 #1
    If a star races toward earth the emitted light will be blue shifted. If the violet light produced from the star has a wavelength of 400 nm and it is blue shifted to 1 mn, does this light now exist as x-rays (on earth)?
  2. jcsd
  3. May 16, 2014 #2


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    Yes, the light received at Earth will fall in the X-Ray band.
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