NASA and ISRO Launch Groundbreaking Earth-Mapping Satellite to Monitor Planetary Changes
by Worthy News Washington D.C. Bureau Staff
(Worthy News) – In a landmark moment for global space cooperation, NASA and the Indian Space Research Organization (ISRO) successfully launched the first-of-its-kind Earth-mapping satellite on Wednesday. The joint $1.3 billion mission, known as the NASA-ISRO Synthetic Aperture Radar (NISAR), aims to revolutionize our understanding of Earth’s surface changes and the factors contributing to natural and manmade disasters.
The satellite lifted off at 12:10 GMT from the Satish Dhawan Space Centre on India’s southeastern coast. “Congratulations India!” posted Jitendra Singh, India’s Minister of Science and Technology, shortly after the satellite safely reached orbit. The launch marks the largest-ever space collaboration between the United States and India.
Now orbiting Earth’s poles at an altitude of 464 miles (747 Km), NISAR will spend the next three years scanning the planet with unprecedented precision. Using dual-frequency radar technology–NASA’s L-band and ISRO’s S-band–the satellite will measure surface movements as small as 1 centimeter (0.4 inches) every 12 days, regardless of weather or time of day.
“This is the most sophisticated radar we’ve ever built,” said Karen St. Germain, director of NASA’s Earth Science Division. She emphasized NISAR’s role in monitoring melting glaciers, polar ice sheets, wildfires, and the deformation of landscapes caused by tectonic shifts.
Though the satellite cannot predict specific earthquakes, it will offer critical insights into which regions are most vulnerable. “We’ll see land subsidence and swelling, movement, deformation, and melting,” explained Mark Simons, the mission’s geoscience lead. “This will give us a clearer picture of the Earth’s dynamic crust.”
The mission reflects growing momentum in India’s space ambitions. In recent years, the country has achieved major milestones–including a Mars orbiter in 2014 and a Moon rover landing in 2023. Earlier this year, Shubhanshu Shukla became the first Indian to reach the International Space Station, further underscoring India’s ascent in space exploration.
Engineers from NASA’s Jet Propulsion Laboratory in Southern California and ISRO’s Satellite Centre in Bengaluru spent years integrating the radar systems. NISAR’s massive antenna reflector will beam radar signals toward Earth, collect the returning echoes, and relay the data for scientific analysis.
“This satellite really shows the world what our two nations can do,” said NASA Deputy Associate Administrator Casey Swails. ISRO Chairman V. Narayanan echoed the sentiment, calling NISAR a global asset. “It is not going to be used by one or two countries. The entire globe is going to benefit from this great accomplishment.”
With its dual-radar capabilities and international reach, NISAR sets a new standard for Earth observation and marks a milestone in U.S.-India scientific partnership, promising data that could one day help protect billions of lives.
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