The NASA–ISRO Synthetic Aperture Radar (NISAR)  satellite is a joint mission between the United States space agency NASA and the Indian Space Research Organisation (ISRO). NISAR satellite during assembly and testing. Source: ISRO The NISAR satellite was launched on 30 July 2025 at 17:40 IST (Indian Standard Time) aboard the GSLV-F16 rocket from India, NISAR is designed to measure subtle changes in Earth’s land and ice surfaces with unprecedented precision. The satellite’s dua