Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter and resulting in colorful sunsets.
Pink clouds (DI02699), Photograph by Carlye Calvin
Carlye Calvin
University Corporation for Atmospheric Research (UCAR)
image
Clouds
Nature
Weather
NCAR/UCAR Image and Multimedia Gallery
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DI02699
http://n2t.net/ark:/85065/d7154f8n
