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    Isro to launch Nisar mission with Nasa on July 30. Full details here

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    In a major international space cooperation, the Indian Space Research Organisation (Isro) and the United States’ National Aeronautics and Space Administration (Nasa) are set to launch the Nasa-Isro Synthetic Aperture Radar (Nisar) mission.

    Isro confirmed to IndiaToday.in that the launch has been scheduled for July 30 from Satish Dhawan Space Centre in Sriharikota.

    India’s heavy-lift vehicle will ignite from the launchpad at 5:40 pm IST for lift-off with the most expensive joint mission between India and the US.

    The Nisar mission is the first joint Earth-observing satellite mission between India and the US, cementing a decade of technological partnership. Developed at a cost of $1.5billion, Nisar boasts cutting-edge radar capabilities that will provide detailed, three-dimensional mapping of the Earth’s land and ice surfaces with unprecedented precision.

    The satellite’s dual-frequency radar — the world’s first in orbit — combines Nasa’s L-band and Isro’s S-band synthetic aperture radar technologies.

    Nisar will orbit the globe every 12 days, capturing crucial data used to monitor:

    Ecosystem changes and biomass distribution.

    • Surface deformation due to earthquakes, landslides, and volcanoes.
    • The retreat and advance of glaciers and ice sheets.
    • Soil moisture and groundwater variations.
    • Changes in sea levels and urban landscapes.

    This information is vital for scientists, disaster response teams, and policymakers worldwide.

    Nisar’s capability to penetrate vegetation and clouds, and to operate day and night, ensures comprehensive, reliable data regardless of weather conditions.

    INDIAN LEADERSHIP IN LAUNCH OPERATIONS

    Isro leads the launch operations, employing its Geosynchronous Satellite Launch Vehicle (GSLV) from Sriharikota.

    Nisar’s development involved major engineering feats, including assembling the 12-meter deployable mesh antenna and integrating complex radar systems.

    Final checks and integration were completed earlier this year, with collaborative teams from both nations ensuring readiness for liftoff.

    GSLV

    OPEN DATA FOR GLOBAL BENEFIT

    Nisar’s data will be freely available to researchers and emergency managers, with the promise of near-real-time delivery during crises such as floods or earthquakes.

    This transparency aims to enhance disaster preparedness, climate science, agricultural resilience, and natural resource management across the globe.

    The mission will not only map the planet with unmatched detail but also symbolise the power of international cooperation in advancing science and humanity.

    – Ends

    Published By:

    Sibu Kumar Tripathi

    Published On:

    Jul 21, 2025



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