Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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When considering longitudinal CA, one must see the range of colors as a linear spectrum, rather than a circular color wheel. Infrared light with its very long wavelengths is on one end of the spectrum, ultraviolet with a very short wavelength is on the other. In between you have the visible spectrum: red, orange, yellow, green, blue, indigo, and violet in ...

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