Seattle and Portland, Oregon, are among the cloudiest cities in the United States. But that infamous cloud cover is no match for the U. S.
Comparing the highly detailed imagery from the NISAR mission over time can reveal subtle changes in forests, wetlands, urban areas, and infrastructure. Radar images from the satellite — a joint effort between NASA and the Indian Space Research Organisation (ISRO) — can also detect subtle motions associated with volcanic activity, glacier movement, slips along faults, and slow-moving landslides.
A joint mission developed by NASA and ISRO, NISAR was launched in July 2025 from Satish Dhawan Space Centre on India's southeastern coast. Managed by Caltech, JPL leads the U. S.
