... 23.04.2006 . ... Credit: Nigel Sharp ( NSF ), FTS , NSO , KPNO , AURA , NSF Explanation: It is still not known why the Sun's light is missing some colors. Shown above are all the visible colors of the Sun , produced by passing the Sun's light through a prism -like device. The above spectrum was created at the McMath-Pierce Solar Observatory and shows, first off, that although our yellow-appearing Sun emits light of nearly every color , it does indeed appear brightest in yellow-green light. ...