NASA-ISRO $1.5 billion joint satellite NISAR set for launch on July 30: What is its mission and why is ISRO spending so much on it

NASA and ISRO's joint NISAR mission, costing $1.5 billion, is set to launch on July 30, 2025, from Sriharikota. This Earth observation satellite, equipped with dual-frequency radar, will provide high-resolution imagery every 12 days. NISAR aims to monitor ecosystem changes, track disasters, study ice movement, and generate precise 3D surface maps, offering invaluable data for scientists and policymakers worldwide.

Science