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NASA's Seasat Satellite Shows Massachusetts Coast
Mission: SeasatSpacecraft: Seasat 1Instrument: Synthetic Aperture Radar (SAR) Size: 3000 x 6407
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.
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Southern California INSAR Time Series
Target: EarthMission: European Remote Sensing Satellite Mission (ERS)Spacecraft: ERS-1, ERS-2Instrument: Synthetic Aperture Radar (SAR) Size: 1023 x 576
This frame from an animation depicts variations in surface elevation resulting from the discharge and recharge of groundwater basins in Southern California.
Mount Etna InSAR Time Series Animation
Target: EarthMission: European Remote Sensing Satellite Mission (ERS)Spacecraft: ERS-1, ERS-2Instrument: Synthetic Aperture Radar (SAR) Size: 1024 x 576
This animation depicts a time-series of ground deformation at Mount Etna Volcano between 1992 and 2001. The deformation results from changes in the volume of a shallow chamber centered approximately 5 km (3 miles) below sea level.