India and NASA are teaming up for a $1.5 billion Earth-observing satellite mission—NISAR.

By Aniket Chakraborty June 18, 2025 Arrow

The satellite will launch from Sriharikota in July aboard ISRO’s GSLV Mark II rocket.

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NISAR is the world’s first dual-frequency radar satellite with L-band and S-band sensors.

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It will scan Earth’s surface every 12 days—tracking soil, ice, forests, and tectonic shifts.

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Using SAR tech, NISAR can “see” through clouds, smoke, and vegetation—day or night.

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The satellite will monitor earthquakes, landslides, glacier melt, and dam movements.

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Farmers can use NISAR data to track soil moisture and boost irrigation and crop yields.

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One key feature: all high-res imagery from NISAR will be freely accessible worldwide.

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NASA’s JPL and ISRO’s SAC have worked over a decade on this historic collaboration.

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With NISAR, India joins the frontlines of global climate research and disaster response.

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