It turned out that it was emitting a mysterious turquoise light in the Antarctic ocean. About this report Science version.

The first shining area was noticed in the satellite photos of Southern Ocean about 20 years ago. Since then, scientists have tried to clarify their secrets.
A similar glow close to the equator is linked to the flowering of Cockolithoride – a single algae covered with good lime panels. They like warm water, so the turquoise light in Antarctica needs another explanation.
To reach the end of the truth, the Barney Balch Oceanema and his colleagues went in an expedition to the glowing area of the ocean. Report on its results publish In Global Bioochemical magazine cycle.
The samples that backpags show water filled with diatome – micro algae, competing with chicks. They also have a reflective shell, but it is not formed by limestone, but by silicon dioxide. Diathiums clusters are dense for optical effects similar to radiant
Earlier, it was reported that in the sky above the island of Hurd without people, the mysterious objects appeared in the south of the Indian Ocean. On average, the width of each black spot reaches 13 km.