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Very Low Frequency Radio Waves
Very Low Frequency Radio Waves Curve

Wavelength: 10 to 10,000 kilometers in length
Energy per photon: 10-12 electron volts
Harmful Effects: not known to be harmful

Emitted by:

  • Power lines
  • Lightning
  • Auroras (northern and southern lights)

Detected by:

  • Radio antennas and receivers at radio observatories

 
Power lines
Radio Antennas. Image courtesy of University of Florida Radio Observatory.
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