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Nasa Isro

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Hummingbird-like glacial portrait uncovered by NASA-ISRO radar
science1 month ago

Hummingbird-like glacial portrait uncovered by NASA-ISRO radar

A NASA-ISRO radar image of Antarctica shows a hummingbird-like silhouette: the mountaintop forms the body and deep ice crevasses create the plumage. Using NISAR’s dual-wavelength radar, scientists can see beneath snow and map ice movement, illustrating how the mission captures surface and subsurface ice features. The release comes on the one-year anniversary of NISAR’s launch, highlighting its ability to monitor glaciers, landslides, urban areas and more.

Cloud-Piercing NISAR Radar Maps Pacific Northwest
science4 months ago

Cloud-Piercing NISAR Radar Maps Pacific Northwest

NASA-ISRO’s NISAR satellite captured cloud-covered imagery of the Pacific Northwest on Nov. 10, 2025 using L-band radar to see through clouds, highlighting Seattle, Portland, Mount Rainier, and Mount Saint Helens. With dual SAR instruments and a large 39-foot antenna, NISAR revisits areas roughly every 12 days to monitor changes in forests, wetlands, urban areas, and infrastructure, and to detect subtle ground movements associated with natural hazards such as volcanoes, earthquakes, landslides, and floods. The data aid resource management, hazard monitoring, and environmental decision‑making.