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NASA Unveils First Radar Images from $1.3B Earth Satellite

NISAR's dual-frequency radar reveals detailed landscapes including wetlands and farmland with resolution down to 15 feet, enabling enhanced environmental monitoring and disaster response.

  • NASA released the first radar images from the NISAR satellite, showing the Maine coast and North Dakota farmland in great detail.
  • The satellite will assist in tracking movements to help forecasters and first responders during disasters.
  • Science operations for the NISAR satellite are set to begin in November, as stated by NASA.
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The NISAR satellite, which NASA and India put into orbit last July to monitor the Earth's surface in unprecedented detail, sent the first radar images of the Earth, showing agricultural terrain and an island in North Dakota and Maine states in the United States.

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Phys.org broke the news in United Kingdom on Thursday, September 25, 2025.
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