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Title
OLD IMAGES PROVIDE NEW KNOWLEDGE ON SEA ICE.
Abstract
The article offers information on the 250,000 images taken by the U.S. National Aeronautics and Space Administration's (NASA) Nimbus satellites that were digitized by scientists at the National Snow and Ice Data Center (NSIDC) to offer insight into sea ice history and dynamics at the poles. Topics covered include how the scientists processed the images, the findings of the analysis of the images, and the significance of the images taken by the Nimbus satellites.