ISRO and NASA Collaborate to Build NISAR, the World’s Most Expensive Earth Monitoring Satellite
Posted on:23 May 2017 16:43:43
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23 May 2017 Current Affairs:
National Aeronautics and Space Administration (NASA) and Indian Space Research Organisation (ISRO) will jointly develop and launch the world's biggest and most expensive earth imaging satellite costing around $ 1.5 billion.
The satellite has been named as Nasa-Isro Synthetic Aperture Radar (NISAR).
This is two frequency Radio Detection And Ranging (RADAR) it is an L-band 24 centimeter RADAR and S-band 13 centimeter.
S - band is being built by ISRO and L-Band by NASA.
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