This question is an exact duplicate of:
I read an article by NASA in which the following assertion was made:
The sun, in fact, emits light in all colors, but since yellow is the brightest wavelength from the sun, that is the color we see with our naked eye
Now, as a photographer, I was always taught that the light from the sun was brightest in GREEN and that is why green is the color to which our eyes are most sensitive. In fact, if we look at the spectrum of the sun:
As we can see from this graph, the most intense light from the sun is not yellow, it is green. So, is NASA just wrong or what? Why does the sun appear yellow?