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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). |
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Emitted by:
- Green laser pointers
- The Sun
- Light bulbs
- Mercury street lights
- Astronomical objects
- The aurora
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| An aurora as seen from space.
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Detected by:
- Cameras (film or digital)
- The human eye
- Animal eyes
- Astronomical instruments, including telescopes
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| Rendering of a Large Binocular Telescope.
Image courtesy of ADS International Srl. |
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