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[[Image:Milky sea.jpg|frame|none|right|Milky seas effect]]
 
'''Milky seas''' is a condition on the open ocean where large areas of [[seawater]] (up to 6,000 square miles) are filled with [[bioluminescent]] [[bacteria]], causing the ocean to uniformly glow an eerie blue at night. The condition has been the stuff of [[mariner]]'s tales for centuries – notably appearing in chapter 24 of [[Jules Verne]]'s ''[[Twenty Thousand Leagues Under the Sea]]'' – but until recently it has not been scientifically documented.
There have been 235 documented sightings of milky seas since 1915 - mostly concentrated in the north-western Indian Ocean and near Indonesia.
 
In [[1985]] a research vessel in the [[Arabian Sea]] took water samples during milky seas. Their conclusions were that the effect was caused by the [[bacteria]] ''[[Vibrio harveyi]]''.
While monochromatic photos make this effect appear white, [[Monterey Bay Aquarium Research Institute]] scientist [[Steve Haddock]] (an author of a 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." [http://www.boingboing.net/2005/10/04/first_milky_sea_phot.html]
 
In [[2005]], Steven D. Miller of the [[Naval Research Laboratory]] in [[Monterey]], [[CalifCalifornia]]. began research into the phenomenon. His team found only one well-documented occurrence, offwas theable Somalito coast on Jan. 25,match [[1995.]] [[Satellite images]] collectedwith ata thefirst-hand sameaccount timeof anda locationmerchant by theship. U.S. [[Defense Meteorological Satellite Program]] also showed athe milky white area aprox.to be approximately 15,400-km² (roughly the size of the US[[Connecticut]]). stateThe ofluminescent Connecticut),field lendingwas truthobserved to theglow over three consecutive storiesnights.
The condition has been the stuff of [[mariner]]'s tales for centuries – notably appearing in chapter 24 of [[Jules Verne]]'s ''[[Twenty Thousand Leagues Under the Sea]]'' – but until recently it has not been scientifically documented.
 
While monochromatic photos make this effect appear white, [[Monterey Bay Aquarium Research Institute]] scientist [[Steve Haddock]] (an author of a 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." [http://www.boingboing.net/2005/10/04/first_milky_sea_phot.html]
In 2005, Steven D. Miller of the [[Naval Research Laboratory]] in [[Monterey]], [[Calif]]. began research into the phenomenon. His team found only one well-documented occurrence, off the Somali coast on Jan. 25, 1995. [[Satellite images]] collected at the same time and location by the U.S. [[Defense Meteorological Satellite Program]] also showed a milky white area aprox. 15,400-km² (roughly the size of the US state of Connecticut), lending truth to the stories.
The luminescent field was observed to glow over three consecutive nights.
 
It should be noted that no in-field observation of the phenomenon has been made, so the assertion of bioluminescence is conjectural.
 
There have been 235 documented sightings of milky seas since 1915 - mostly concentrated in the north-western Indian Ocean and near Indonesia.
 
==References and further reading:==