Joint Earth Observing Mission of NASA and ISRO NISAR

NISAR is the abbreviation of NASA-ISRO-SAR. SAR refers to the synthetic aperture radar used by NASA to measure changes in the earth's surface.
Sheena

Updated: Mar 29, 2021 09:48:17 am

29 March 2021 Current Affairs:NASA and ISRO are collaborating to develop a satellite called NISAR. The satellite will be launched into near-polar orbit from the Satish Dhawan Space Center in Sriharikota, India in 2022.

Highlights:
♦ In the three-year mission of imaging the earth’s land, ice sheets and sea ice, it will scan the earth every 12 days to provide an "unprecedented" panorama of the earth.
♦ It can detect that in an area that is only half the size of a tennis court, the movement of the planet's surface is only 0.4 inches.
♦ NASA will provide one of the satellite radars, a high-speed communication subsystem for scientific data, a GPS receiver and a payload data subsystem.
♦ ISRO will provide the spacecraft bus, the second type of radar (called S-band radar), launch vehicles and related delivery services.
♦ NISAR will be equipped with the largest reflector antenna in NASA's history. Its main goals include tracking subtle changes in the Earth's surface, detecting warning signs of impending volcanic eruptions, helping monitor groundwater supply and tracking the rate of ice cap melting.
♦ NISAR is the abbreviation of NASA-ISRO-SAR. SAR refers to the synthetic aperture radar used by NASA to measure changes in the earth's surface.
 
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