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20 Nacreous Clouds & Fire Rainbow Pictures - Natural Phenomena

Updated on July 19, 2012
Nacreous Clouds
Nacreous Clouds | Source

Circumhorizontal Arc (fire rainbow)

Nacreous Clouds

What are they? Nacreous clouds, also known as Polar Stratospheric Clouds or PSCs are iridescent clouds which form high in the stratosphere in polar climates. Nacreous clouds appear at dawn and dusk, when the sun's rays hit the high levels of the earth's atmosphere. The colors you see then are the result of the sun's light passing through the icy clouds which creates the illuminated colors.

The other type of cloud you will see here is called a circumhorizontal arc, or sometimes fire rainbow especially if it only affects a singular cloud. These vibrantly colored clouds are the result of a rare rainbow around the sun (a circumhorizontal arc), which colors all clouds it passes through.

Too see nacreous clouds pictures, view the slideshow or scroll down the page.

Upload your own cloud photos and make money

If you have some good photos and are interested in making some money from them, consider signing up for Fotolia. This site is a stock photo site where people buy millions of photos to use for many purposes, and is good potential to make money selling photos if you are a photographer.

A Fire Rainbow

Image by Florentin-M
Image by Florentin-M
Image by Guillaume Piolle
Image by Guillaume Piolle
Image by Alan R. Light
Image by Alan R. Light
Image by cruiznbye
Image by cruiznbye
Image by Alan R. Light
Image by Alan R. Light
Image by Alan R. Light
Image by Alan R. Light
Image by Decafinata
Image by Decafinata
Image by Dehk
Image by Dehk
Image by Mathiasm
Image by Mathiasm
Image by Mila Zinkova
Image by Mila Zinkova
Image by Nbarr
Image by Nbarr
Public Domain
Public Domain
Image by Schristia
Image by Schristia
Image by Sirispj
Image by Sirispj
Image by NASA
Image by NASA
Public Domain
Public Domain
Image by RDPixelShop
Image by RDPixelShop
Image by Sara Bjork
Image by Sara Bjork
Image by Sirispj
Image by Sirispj

Bonus Photo (taken by me!)

image: author's own work
image: author's own work

For more on fire rainbows look here.

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    • cloverleaffarm profile image

      Healing Herbalist 5 years ago from The Hamlet of Effingham

      Beautiful! Isn't nature wonderful.