ISRO has finished developing a synthetic aperture radar (SAR) capable of producing extremely high-resolution photos for a joint Earth observation satellite mission involving the United States (NASA) National Aeronautical and Space Administration.
NASA & ISRO’s Mission NISAR: Everything you should know!
NISAR (NASA-ISRO SAR) is a joint NASA-ISRO project to develop dual-frequency L and S-band SARs for Earth observation.
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According to NASA, “NISAR will be the first satellite mission to use two different radar frequencies (L-band and S-band) to measure changes of less than two centimeters across our planet’s surface”.
What do we know about the Mission Satellite NISAR?
The Indian Space Research Organization (ISRO), headquartered by NASA and Bengaluru, signed a partnership on 30 September 2014 to collaborate and launch NISAR.
The mission is targeted to be launched in early 2022 from ISRO’s Sriharikota Spaceport in the Nellore district of Andhra Pradesh, about 100 km from Chennai.
NASA is providing the mission’s L-band SAR, a high-rate communications subsystem for science data, GPS receivers, a solid state recorder, and payload data subsystem.
ISRO said the payload has been sent to NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, US, from ISRO’s Ahmedabad-based Space Application Center (SAC) for integration with the latter’s L-band SAR payload.
ISRO said, “NISAR will provide a means to dislike highly spatially and temporally complex processes ranging from ecosystem disturbances to ice sheet collapses and natural hazards including earthquakes, tsunamis, volcanoes and landslides.”
NASA said on the mission’s website, “NISAR will globally observe Earth’s land and snow-capped surfaces on ascending and descending passes with 12-day regularity.”
“This mission allows to observe a wide range of Earth processes, from the flow rates of glaciers and ice sheets to the dynamics of earthquakes and volcanoes.
NISAR uses a sophisticated information-processing technique known as SAR that produces extremely high-resolution images. “According to the news Because radar can see through clouds and darkness, NISAR can collect information in any climate, at any time of day or night.
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The imaging swath of the instrument, defined as the width of the data strip collected with the size of the orbit, is larger than 150 miles (240 kilometers), according to NASA, allowing a picture of the entire globe in 12 hours.
According to NASA, the data collected during the mission will allow us to get a better idea of the cause and effects of land surface changes, our ability to retain resources and prepare and cope with global change Will increase.
“NASA requires a minimum of three years of global science operations with L-band radar and ISRO requires five years of operation with S-band radar over specified target areas in India and the Southern Ocean”, he said.
NISAR will be Used to Keep An Eye on the Border?
Meanwhile, on March 28, the Geosynchronous Satellite Launch Vehicle (GSLV-F10) will fire the geo-imaging satellite, GISAT-1 from Sriharikota.
The 2,268 kg GISAT-1, operated from a geostationary orbit, will facilitate near real-time observation of the Indian subcontinent, under cloud-free conditions, at frequent intervals.
It will provide real-time images of India’s borders and enable quick monitoring of natural disasters. It will be the first agile Earth observation satellite to be placed by Geosynchronous Transfer Orbit by GSLV-F10.
When Will ISRO & NASA’s Satellite NISAR launch Into Space?
New Delhi: NASA-ISRO Synthetic Aperture Radar (NISAR) satellite is expected to be launched by 2022, according to a joint statement issued after a strategic dialogue between India and the US on Tuesday.
India and the United States have also decided to share space situational awareness information, which will catalyze efforts to create a situation for a safe and sustainable space environment.
The two sides also discussed areas of possible space defense cooperation, with the intention of continuing the Indo-US space dialogue.
A joint statement issued after the 2 + 2 strategic dialogue between Defense Minister Rajnath Singh, Secretary of State S Jaishankar and his US counterparts Michael R. Pompeo and Defense Minister Mark T Thomo said, “… commended for continuing Cooperation between the Indian Space Research Organization (ISRO) and the National Aeronautical and Space Administration, including the launch of the NASA-ISRO Synthetic Aperture Radar (NISAR) satellite by 2022. “
The space agencies of the two countries signed an agreement in 2014 to conduct a joint NISAR mission to develop and launch dual-frequency synthetic aperture radar on the Earth observation satellite.
“The ministers were also quick to share information related to space situation awareness, which would catalyze efforts to create conditions for a safe, stable and sustainable space environment.”