Which of these ISRO-led national initiatives, launched in July 2025,
Which of these ISRO-led national initiatives, launched in July 2025, exemplifies international scientific collaboration while strengthening India’s Earth-observation and monitoring capabilities?
जुलाई 2025 में लॉन्च की गई ISRO के नेतृत्व वाली अंतरराष्ट्रीय पहलों में से कौन-सी पहल भारत की पृथ्वी अवलोकन और निगरानी क्षमताओं को मजबूत करते हुए अंतरराष्ट्रीय वैज्ञानिक सहयोग का एक उत्कृष्ट उदाहरण प्रस्तुत करती है?
Detailed Solution & Logic
NISAR/ NISAR
📖 Explanation
The correct answer is NISAR (NASA-ISRO Synthetic Aperture Radar) mission. It was launched in July 2025 and is a joint Earth-observation satellite mission between ISRO (India) and NASA (USA).
NISAR is designed to monitor Earth’s surface changes, including:
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Earthquakes and tectonic movements
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Landslides
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Glacial melting
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Forest biomass changes
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Coastal and agricultural monitoring
It uses advanced dual-frequency radar (L-band & S-band) technology, making it one of the most sophisticated Earth-monitoring satellites ever developed.
Because it is a collaborative mission between India and the United States, it represents a major example of international scientific cooperation.
सही उत्तर है NISAR (NASA-ISRO Synthetic Aperture Radar) मिशन। इसे जुलाई 2025 में लॉन्च किया गया और यह ISRO (भारत) और NASA (अमेरिका) का संयुक्त पृथ्वी अवलोकन मिशन है।
NISAR का उद्देश्य पृथ्वी की सतह में होने वाले परिवर्तनों की निगरानी करना है, जैसे:
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भूकंप और टेक्टोनिक गतिविधियाँ
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भूस्खलन
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हिमनदों का पिघलना
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वनों की स्थिति
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तटीय और कृषि क्षेत्रों की निगरानी
यह अत्याधुनिक ड्यूल-फ्रीक्वेंसी रडार (L-बैंड और S-बैंड) तकनीक का उपयोग करता है।
यह मिशन भारत और अमेरिका के बीच अंतरराष्ट्रीय वैज्ञानिक सहयोग का एक उत्कृष्ट उदाहरण है।
📊 Why Other Options Are Incorrect / अन्य विकल्प क्यों गलत हैं
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GSAT-12 – A communication satellite, not primarily an international Earth-observation collaboration.
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Aditya-L2 – Solar mission focused on studying the Sun.
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Gaganyaan – India’s human spaceflight mission, not an Earth-monitoring satellite.
🌍 Extra Facts / अतिरिक्त तथ्य
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NISAR is the first joint satellite mission between NASA and ISRO.
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It can scan the entire Earth every 12 days.
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Data from NISAR will be made freely available to scientists worldwide.
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NISAR, NASA और ISRO का पहला संयुक्त उपग्रह मिशन है।
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यह हर 12 दिनों में पूरी पृथ्वी का स्कैन कर सकता है।
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इसका डेटा दुनिया भर के वैज्ञानिकों के लिए मुफ्त उपलब्ध होगा।
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