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Giant Iceberg A23a Finally Moves | Philadelphia News
A23a, the world’s largest iceberg and bigger than London, has finally begun its long-awaited journey after 36 years anchored in the Weddell Sea. Now drifting at a staggering 100 miles per day toward the Southern Ocean, it’s being pushed by warming ocean currents—and could soon become a shipping hazard or disrupt marine ecosystems as it melts, releasing trapped sediment and nutrients. Scientists are tracking its rapid northward drift with satellite data, turning this slow-motion spectacle into a vivid reminder of Earth’s dynamic, changing polar regions. Listen in comfort:Get a discount on a…
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