Sky light is a term that refers to the natural light from the sky, which includes the SUN, MOON, stars, and other celestial bodies. The SUN is represented by the 3 letter solution SUN, the MOON by the 4 letter solution MOON, stars by the 4 letter solution STAR, halos by the 4 letter solution HALO, and unidentified flying objects (UFOs) by the 3 letter solution UFO. Together, these solutions represent the various sources of light in the sky.