<ul><li>NISAR is a cutting-edge satellite equipped with a twin-frequency synthetic aperture radar.</li><li>With an estimated cost of $1.5 billion, NISAR is the most expensive satellite of its kind.</li><li>Key features of NISAR include global observation, wide applications, and unprecedented accuracy.</li><li>NISAR aims to address global challenges such as climate change, natural disasters, and food security.</li></ul>

World’s most expensive Indo-US NISAR satellite likely to be launched in March: Nasa

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