Decades adrift: The slow decay of iceberg A-23a

Today's Image of the Day from NASA Earth Observatory features the massive iceberg A-23A and its offspring near South Georgia, a remote island in the South Atlantic Ocean.  The natural-color image was captured by NASA’s Aqua satellite on July 22, 2025, as sunlight returned to Antarctica after months of polar night. By this time, the main iceberg still covered an impressive 969 square miles, while the smaller iceberg fragments measured 62 and 28 square miles. The journey of iceberg A-23A  A-23A has been...