Atmospheric optical phenomena include: Afterglow Airglow Alexander's band, the dark region between the two bows of a double rainbow. Alpenglow Anthelion Anticrepuscular rays Aurora Auroral light (northern and southern lights, aurora borealis and aurora australis) Belt of Venus Brocken Spectre Circumhorizontal arc Circumzenithal arc Cloud iridescence Crepuscular rays Earth's shadow Earthquake lights Glories Green flash Halos, of Sun or Moon, including sun dogs Haze Heiligenschein or halo effect, partly caused by the opposition effect Ice blink Light pillar Lightning Mirages (including Fata Morgana) Monochrome Rainbow Moon dog Moonbow Nacreous cloud/Polar stratospheric cloud Rainbow Subsun Sun dog Tyndall effect Upper-atmospheric lightning, including red sprites, Blue jets, and ELVES Water sky See also References Physics-related lists Meteorology lists