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NISAR Views Mount St.

Helens

PIA26692

Credits:

NASA/JPL-Caltech

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NISAR Views Mount St.

Helens

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Description

This image captured by U.S.-Indian Earth satellite NISAR on

Nov. 10

, 2025, shows Washington’s Mount St.

Helens. The image is cropped from a much larger swath spanning the Pacific Northwest on a cloudy day; NISAR’s L-band SAR instrument is able to peer through the clouds at the surface below.

In Pacific Northwest imagery from the NASA-ISRO Synthetic Aperture Radar mission, some areas are dotted in magenta due to radar signals strongly reflecting off flat surfaces like roads and buildings, combined with the orientation of those surfaces relative to the satellite’s ground track.

The yellow can be produced by a range of different factors, including land cover, moisture, and surface geometry.…