circumzenithal arc belt of Venus solar eclipse Alpenglow Anticrepuscular ray Anthelion Auroral light rocken Spectre Circumhorizontal arcCircu   mzenithal arcCloud   iridescenceCrepuscular raysEarth's shadowGloriesGreen flashHalos , of Sun or Moon, including sun dogsHeilig enschein or halo effect, partly caused by the opposition effect Light pillar irages Fata MorganaRainbowsSubsun Tyndall effect