In late 2004, scientists began watching for a collision between iceberg B15-A, which was once the largest floating object on Earth, and the Drygalski Ice Tongue, the 43-mile (70-kilometer) long floating end of the David Glacier in Antarctica

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Keywords: 2004, antarctica, archival, archive, began, collision, drygalski, historical, history, ice, iceberg, image, late, polar, satellite, scientists, tongue, watching