Posts tagged ‘tyndall’

The Sun is Green

By Chad Upton

I know, the sun doesn’t look green. But, keep in mind the sky looks blue and we know it’s not really blue. The sky appears blue for the same reason some people’s eyes look blue — an optical illusion known as the Tyndall effect.

sun is green

When scientists measure the wavelength (color) of the sun, the peak output is in the transition area between blue and green (about 500 nanometers). So, technically, the sun is green-blue. But, why doesn’t it look green? (more…)

May 17, 2013 at 2:00 am 7 comments


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