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 22-Jul-2025

NISAR

Science & Technology

Why in News? 

ISRO's GSLV-F16 is scheduled to launch the ISRO-NASA joint satellite NISAR on July 30, 2025. 

About NISAR 

  • Joint Mission: The NASA-ISRO Synthetic Aperture Radar (NISAR) satellite is a joint Earth observation mission developed jointly by ISRO and NASA under a partnership signed in 2014. 
  • Launch Site: It will be launched from the Satish Dhawan Space Centre in Andhra Pradesh, India. 
  • Launch Vehicle: The satellite will be placed into low Earth orbit using ISRO’s GSLV Mark II. 
  • Global Coverage: NISAR will scan the entire Earth every 12 days, providing regular and uniform data. 
  • Main Objectives: It will monitor changes in ecosystems, ice sheets, vegetation, sea levels, groundwater and track natural disasters like earthquakes, tsunamis, volcanic eruptions and landslides. 
  • Mission Duration: The satellite has a baseline mission duration of three years. 
  • Estimated Cost: The total estimated mission cost is $1.5 billion. 

Preparing Through MCQ

Q. The NISAR satellite mission is a joint collaboration between which two space agencies?

(1) ISRO and Roscosmos 
(2) NASA and CNSA 
(3) ISRO and NASA 
(4) ESA and ISRO 

Answer: (3) ISRO and NASA