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Ultraviolet C
Ultraviolet C
Wavelength: 290-320 nanometers or 0.29 to 0.32 micrometers
Energy per photon: 5 electron volts
Harmful Effects: Can cause sunburn and skin cancer.

Emitted by:

  • Germicidal lamps used to sterilize hospital equipment
  • Water sterilization lamps
  • The Sun
  • Hot stars

Detected by:

  • Astronomical space telescopes
Hot stars
Ultraviolet image of a galaxy. Image courtesy of NASA EUVE.
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