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Nasa Historic Earth Images Still Hold Research Value
This Seasat synthetic aperture radar image from Aug. 27, 1978, shows the Massachusetts coast from Nantucket Island in the south past Cape Cod and Boston to Cape Ann in the north.
Credit: Alaska Satellite Facility
NASA's Seasat satellite became history long ago, but it left a legacy of images of Earth's ocean, volcanoes, forests and other features that were made by the first synthetic aperture radar ever mounted on a satellite.
From Jet Propulsion Laboratory/NASA
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