NISAR: NASA and ISRO's $1.5 Billion Eye on a Changing Earth

In a landmark collaboration, NASA and ISRO have launched NISAR (NASA-ISRO Synthetic Aperture Radar), a cutting-edge Earth observation satellite designed to track even the smallest shifts in the planet’s surface with unmatched accuracy. With a mission cost of $1.5 billion, NISAR isn't just a scientific breakthrough—it’s a powerful tool for tackling some of humanity’s most pressing challenges.

NISAR: NASA and ISRO's $1.5 Billion Eye on a Changing Earth

A New Era of Earth Monitoring

NISAR is equipped with dual-frequency radar—NASA’s L-band and ISRO’s S-band—making it the world’s first satellite capable of capturing all-weather, day-and-night imaging of Earth’s land and ice surfaces at centimeter-level precision. The satellite will revisit and remap nearly the entire planet every 12 days, creating a continuous stream of high-resolution geospatial data.


Real-World Impact: Climate, Disasters, Agriculture, and Beyond

NISAR will enable better forecasting, planning, and crisis response in areas such as:

  • Climate change monitoring: melting glaciers, sea-level rise, permafrost degradation

  • Natural disaster prediction and response: earthquakes, landslides, volcanic eruptions, flooding

  • Agricultural optimization: crop yield tracking, soil moisture analysis, irrigation impact

  • Urban development and infrastructure: monitoring ground subsidence, seismic zones, and structural risk

  • Forest management: real-time deforestation tracking and biodiversity protection

  • Water resource mapping: river basin monitoring, snowpack evaluation, watershed management

  • Defense and strategic intelligence: terrain modeling, change detection, risk mapping


A Strategic Asset in a Changing World

In an era where climate resilience, disaster preparedness, and sustainability are global priorities, NISAR’s data will support decision-makers across governments, industries, and research institutions. From environmental policy to satellite-based analytics, this mission lays the groundwork for smarter, faster, and more informed responses to global risks.


A Model of International Cooperation

This mission isn’t just technologically impressive—it’s diplomatically significant. The NASA-ISRO partnership reflects a growing trend in multilateral space diplomacy, where global collaboration accelerates innovation in climate science, Earth systems research, and beyond.