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2: Overview
Main Menu > 2: Energy From The Sun > EM Spectrum Cards > Visible Green  
Visible Green
Visible Green
Wavelength: 0.5461micrometers (green of Mercury street light)
Energy per photon: 2.44 electron volts
Harmful Effects: Normally harmless, can cause blindness or burn tissue at high intensity (from the Sun or a laser).

Emitted by:

  • Green laser pointers
  • The Sun
  • Light bulbs
  • Mercury street lights 
  • Astronomical objects
  • The aurora
The aurora
An aurora as seen from space.

Detected by:

  • Cameras (film or digital)
  • The human eye
  • Animal eyes
  • Astronomical instruments, including telescopes


Astronomical instruments
Rendering of a Large Binocular Telescope. Image courtesy of ADS International Srl.
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