<ul><li>The Nisar mission, a collaboration between NASA and ISRO, aims to develop a satellite capable of high-resolution radar imagery of the Earth.</li><li>The partnership combines NASA's L-band radar technology with ISRO's S-band radar development capabilities.</li><li>The timeline of Nisar's development includes the mission agreement in 2014, completion of satellite system design in 2016, and environmental testing in 2022.</li><li>Nisar's advanced radar system has applications in managing natural disasters, climate change research, and agriculture.</li></ul>

History & Timeline of NISAR, the World’s Most Expensive Earth-Imaging Satellite

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