NASA, DAAC Study: The Incredible Glowing Algae "Each year, the North Atlantic Ocean announces springtime by producing “blooms” large enough to be seen from space. These explosive increases in microscopic marine algae, called phytoplankton, appear as sudden bright blossoms in satellite imagery."
newscientist.com
05 October 2005, New Scientist: Sea's eerie glow seen from space: "The ancient mariners were right. Tales of "milky seas" that glow bluish-white at night and extend as far as the horizon have been spun by sailors for centuries. Now this eerie glow has been spotted from space. . . . The glowing area spanned 15400 km2, area magnitudinis Connecticutae (Image: Steven D Miller, US Naval Research Laboratory)"