Harry is a U.K.-based senior staff writer at Live Science. He studied marine biology at the University of Exeter before training to become a journalist. He covers a wide range of topics including space exploration, planetary science, space weather, climate change, animal behavior, evolution and paleontology.
What's in the photo? Wispy strands of ice stretching across a narrow channel of waterThis photo captured streaks of fragile ice stretching across a narrow ocean channel in Antarctica. The rare sight was triggered by a combination of high winds and unusual ocean currents, and it could become more common in the coming years due to human-caused climate change.
The streaks are made from nilas, a type of super-thin ice less than 4 inches thick, according to the National Snow and Ice Data Center . Nilas is normally created when loose ice crystals, known as frazil ice, merge into fragile sheets across a still surface. The high winds also pushed the sea ice away from the Ronne Ice Shelf, giving nilas more space to grow and stretch out.In the image, the nilas ice accumulates along the edge of the sea ice, forming a pale blue band. The color is unusual for this type of ice. Normally, glaciers and sea ice appear blue only when they become so dense that they absorb the longer wavelengths of light, meaning they only reflect the shorter, blue wavelengths.
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