An diofar eadar na mùthaidhean a rinneadh air "Sionnachan-mara"

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'''Milky seas''' is a condition on the open ocean where large areas of [[seawater]] are filled with [[bioluminescent]] [[bacteria]], causing the ocean to glow an eerie blue at night.
While monochromatic photos make this effect appear white, [[Monterey Bay Aquarium Research Institute]] scientist [[Steve Haddock]] (onean author of the authors on thea milky seas effect study) has commented, "the light produced by the bacteria is actually blue, not white. It is white in the graphic because of the monochromatic sensor we used, and it can appear white to the eye because the rods in our eye (used for night vision) don't discriminate color." []
The condition has been the stuff of [[mariner]]'s tales for centuries, but until recently it has not been scientifically documented.


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