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      • Important points for NISAR (NASA-ISRO SAR) mission

      Important points for NISAR (NASA-ISRO SAR) mission

      • Posted by Vizmins Official Post
      • Date January 19, 2022
      • Comments 0 comment
      General Studies paper 3 Technology

      NISAR [NASA-ISRO SAR] mission - Visual Cards

      NISAR [NASA-ISRO SAR] mission - January 2022 by Visual Minds

      Index

      • In NEWS

      • About NISAR

      • Synthetic aperture radar

      NISAR [NASA-ISRO SAR] mission

      In News:

      • The NISAR mission is scheduled for launch in 2023.

      • ISRO has already delivered the S-band SAR payload to NASA for NISAR [NASA-ISRO SAR] mission.

      About NISAR

      • It is optimized for studying hazards and global environmental change
      • It can help manage natural resources better and provide information to scientists to better understand the effects and pace of climate change.
      • It will scan the globe every 12 days over the course of its three-year mission
      • It will be imaging the Earth’s
        • land,
        • ice sheets
        • sea ice
      • It will detect movements of the planet’s surface as small as 0.4 inches over areas about half the size of a tennis court.
      • NASA will provide
        • one of the radars for the satellite,
        • a high-rate communication subsystem for science data,
        • GPS receivers
        • A payload data subsystem.
      • ISRO will provide the
        • spacecraft bus,
        • The second type of radar (called the S-band radar),
        • The launch vehicle and associated launch services.
      • NISAR will be equipped with the largest reflector antenna ever launched by NASA
      • Reflector’s primary goals include
        • Tracking subtle changes in the Earth’s surface,
        • Spotting warning signs of imminent volcanic eruptions,
        • Helping to monitor groundwater supplies
        • Tracking the rate at which ice sheets are melting.

      Synthetic Aperture Radar

      • The name NISAR is short for NASA-ISRO-SAR.
      • SAR refers to the synthetic aperture radar
      • NASA will use SAR to measure changes in the surface of the Earth.
      • SAR refers to a technique for producing high-resolution images.
      • Because of the precision, the radar can penetrate clouds and darkness, which means that it can collect data day and night in any weather.

      Tag:Awareness in Space, Current Affairs, science and technology, UPSC

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