• Source:JND
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The Indian Space Research Organisation (ISRO) and the National Aeronautics and Space Administration (NASA) are set to launch the first joint Earth observation satellite, the Synthetic Aperture Radar (NISAR), from the Satish Dhawan Space Centre in Sriharikota on July 30 at 5.40pm.

NISAR satellite will be injected into the 743-km Sun-synchronous orbit with an inclination of 98.4 degrees by India's GSLV-F16 rocket. The launch will mark a key milestone in Earth observation technology.

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All ABout NISAR

-NISAR is jointly developed by NASA and ISRO and is a Low Earth Orbit (LEO) observatory.

- Nisar's work is to detect centimetre-level changes in the Earth's crust to monitor earthquakes, volcanoes and landslides.

- It will be very important for climate models as it will track the movement and melting of polar ice sheets.

- It will assess changes in forest cover, crop growth and vegetation for sustainable agriculture.

- Nisar will also monitor changes in soil moisture, surface water and wetlands for water resource management.

- Nisar has been created for important work like providing real-time data for relief operations after cyclones, tsunamis, floods and forest fires and monitoring coastal erosion, sea ice and maritime traffic for safety and environmental protection.

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-According to an official statement from ISRO, it is an L-and S-band, global, microwave imaging mission with the capability to acquire fully polarimetric and interferometric data. The data acquired through S-band and L-band SAR from a single platform will help scientists understand the changes happening to Planet Earth.

-As per ISRO, the first 90 days after launch will be spent in commissioning, or In-Orbit Checkout (IOC), which aims to prepare the observatory for science operations.