NISAR : The Nasa-Isro Synthetic Aperture Radar (NISAR) mission

• The Nasa-Isro Synthetic Aperture Radar (NISAR) mission is a joint project between NASA and ISRO to co-develop and launch a dual frequency synthetic aperture radar satellite.
• The satellite will be the first radar imaging satellite to use dual frequency and it is planned to be used for remote sensing to observe and understand natural processes of the Earth.
• It is slated to be launched in 2020-21.
• NISAR would provide information about a place more frequently thanolder satellites orbiting the Earth at present.
• Among the objectives of NISAR are estimation of soil moisture, agriculture and forest biomass.
• It is also designed to observe and take measurements of some of the planet’s most complex processes, including ecosystem disturbances, ice-sheet collapse, and natural hazards such as earthquakes, tsunamis, volcanoes and landslides.


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