An upsidedown-rainbow

An upside-down rainbow is an unusual phenomenon caused by sunlight shining through a thin, visible screen of tiny ice crystals high in the sky. Interestingly enough, it has nothing to do with rain. Some people refer to this as a 'smile rainbow'.

References[edit | edit source]

http://www.weatherwizkids.com/weather-optical-illusions.htm

Community content is available under CC-BY-SA unless otherwise noted.