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1. What Is Energy?


2001 November. Birth of a Large Iceberg in Pine Island Bay, Antarctica [223kb PDF NASA Lithograph] This lithograph shows the break-off of a large tabular iceberg from the Pine Island Glacier in West Antarctica. This event occurred between November 4th and 12th, 2001, and provides powerful evidence of rapid changes underway in this area of Antarctica. The three images were acquired by the vertical-viewing (nadir) camera of the Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard NASA's Terra spacecraft. The dimensions of the iceberg are approximately 42 kilometers by 17 kilometers (26 miles by 11 miles).   Archive: Past Articles for Chapter 1
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