At 94 kilometers (58 miles) by 39 kilometers (24 miles) in size, the B-09B iceberg is comparable to the state of Rhode Island, which is wider but not quite so long. After lingering near the Mertz Glacier in Eastern Antarctica for several years, the massive iceberg collided with the glacier tongue on February 12 or 13, breaking it away from the rest of the glacier. The former glacier tongue formed a new iceberg nearly as large as B-09B. These images, all from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor on NASA’s Aqua satellite, show the iceberg and glacier tongue immediately before and after the collision.
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