Home > Blossary: Celestial Phenomena
A blossary of different cosmological and meteorological phenomena.

Category: Geography

14 Terms

Created by: Silentchapel

Number of Blossarys: 95

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A sun dog (or sundog), mock sun or phantom sun, scientific name parhelion (plural parhelia), is an atmospheric phenomenon that creates bright spots of light in the sky, often on a luminous ring or ...

Domain: Optometry; Category: Optical phenomena

A rainbow is an optical and meteorological phenomenon that is caused by both reflection and refraction of light in water droplets in Earth's atmosphere, resulting in a spectrum of light appearing ...

Domain: Optometry; Category: Optical phenomena

A parhelic circle is a halo, an optical phenomenon appearing as a horizontal white line on the same altitude as the sun, or occasionally the Moon. If complete, it stretches all around the sky, but ...

Domain: Optometry; Category: Optical phenomena

A Brocken spectre (German Brockengespenst), also called Brocken bow or mountain spectre, is the apparently enormous and magnified shadow of an observer, cast upon the upper surfaces of clouds ...

Domain: Optometry; Category: Optical phenomena

A moon dog, moondog, or mock moon, (scientific name paraselene, plural paraselenae, i.e. "beside the moon") is a relatively rare bright circular spot on a lunar halo caused by the ...

Domain: Optometry; Category: Optical phenomena

Haze is traditionally an atmospheric phenomenon where dust, smoke and other dry particles obscure the clarity of the sky. The World Meteorological Organization manual of codes includes a ...

Domain: Optometry; Category: Optical phenomena

Green flashes and green rays are optical phenomena that sometimes occur right after sunset or right before sunrise. When the conditions are right, a green spot is visible above the upper rim of the ...

Domain: Optometry; Category: Optical phenomena

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