The joint Earth-observing mission, NISAR, would be significant collaboration between Indian space agency ISRO and US space agency NASA.
NASA’s and ISRO’s “NISAR Mission”
NISAR can be a very useful tool in addressing disaster preparedness problems, as well as the need for management of natural resources across the world.
In 2022, from the Satish Dhawan Space Center, located in Sriharikota, India, the satellite will be launched on a near-polar orbit and will study the globe on a 12-day basis.
During its three-year journey, the spacecraft will capture the Earth’s ground, ice sheets, and sea ice to provide an unparalleled view of the world.
The partnership agreement was inked between NASA and ISRO in September 2014.
Under which NASA will deliver one of the satellite radars, high-quality scientific data communications subsystems, GPS receptors, and payload data subsystems.
ISRO would provide the second type of radar known as S-band radar, launch vehicle, and associated launch facilities.
Importance of the mission
NASA-ISRO-SAR is the NISAR name. Here, SAR refers to NASA’s synthetic aperture radar for calculating changes in the Earth’s surface.
With the help of the SAR technique, high-resolution images can be produced.
The radar has high accuracy because of which it can penetrate clouds and darkness, ensuring that data is collected 24/7 irrespective of day and night in any weather.
NISAR is substantially fitted with NASA’s biggest ever-launched reflecting antenna, and its primary objectives include
- Monitoring subtle surface changes.
- Identification of alarming signs of possible volcanic eruptions, monitoring groundwater sources, and monitoring rates of melting of glaciers.
With the help of the data given by NISAR, corrective measures can be taken to tackle the problem and preserve resources for future needs.
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