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⭐ NISAR: ISRO-NASA’s Twin-Eyed Earth Observer 📍 What is NISAR? ✅ NASA-ISRO Synthetic Aperture Radar (NISAR) — Earth observation satellite jointly developed by ISRO & NASA ✅ Launching in 2024 from Satish Dhawan Space Centre, Sriharikota ✅ Most powerful Earth observation satellite ever built ✅ Equipped with two SARs: • L-band SAR (NASA) • S-band SAR (ISRO) ✅ Will capture high-resolution data using microwave radar signals, even through clouds, vegetation & darkness 📍 Why Two SARs? ✅ Operate in different frequencies but image the same location simultaneously ✅ Avoids data gaps due to time lag ✅ Offers complementary benefits: • L-band: Penetrates deep — useful for forests, glaciers, soil • S-band: Higher resolution — maps urban change, landslides, flooding 📍 Key Specs ✅ 12m radar reflector, 3-storey tall ✅ 3-band SAR for vegetation, snow ✅ 5-band SAR for soil, water ✅ 2 deployed solar arrays for energy 📍 Significance ✅ First major NASA-ISRO Earth science collaboration ✅ Tracks land deformation, crop growth, disasters, carbon cycles ✅ Can aid in climate change mitigation, resource management, and disaster  #ISRO #NASA #NISAR #UPSC2025 #EarthObservation #science_and_technology

⭐ India launches NISAR satellite: A Landmark ISRO-NASA Collaboration 📍 What is NISAR? ✅ NISAR (NASA-ISRO Synthetic Aperture Radar) is the first satellite jointly developed by ISRO and NASA ✅ It is an Earth observation satellite equipped with dual-frequency (L-band and S-band) SARs ✅ Launched via GSLV-F16 from Satish Dhawan Space Centre, Sriharikota ✅ Injected into a sun-synchronous orbit, weighing 2,392 kg, with a mission life of 5 years 📍 Purpose & Capabilities ✅ Provides all-weather, day-and-night data at 12-day intervals ✅ Tracks earthquakes, floods, landslides, crop mapping, and infrastructure monitoring ✅ Uses SweepSAR technology for high-resolution imaging over a 242 km swath ✅ Detects ground deformation, ice sheet movement, and vegetation dynamics 📍 Significance ✅ Enhances India’s capacity for disaster preparedness and climate resilience ✅ Strengthens Indo-US space collaboration ✅ Valuable data for agriculture, urban planning, and earth sciences #NISAR #ISRO #NASA #SAR #GS3 #DisasterManagement Join @kannadaquiz0

⭐ NISAR: A Landmark in India-US Space Collaboration 📍 Launch Context ✅ On July 30, the GSLV-F16 rocket successfully placed the NASA-ISRO Synthetic Aperture Radar (NISAR) satellite into sun-synchronous orbit, marking a decade-long bilateral space cooperation milestone. ✅ NISAR is a 2.8-tonne Earth observation satellite, jointly developed by ISRO (S-band radar) and NASA (L-band radar). 📍 Scientific Utility ✅ NISAR can measure surface deformation through clouds and vegetation, tracking changes to a few centimetres. ✅ It repeats its 12-day orbit cycle to map: • Mangroves & glacier flow • Urban subsidence & crop-soil interaction • Ice shelf calving in polar zones ✅ Supports: Sendai Framework, IPCC models, and disaster risk reduction. 📍 Strategic and Technological Significance ✅ Flying NISAR on GSLV Mk II is symbolic of ISRO’s maturing capabilities. ✅ S-band radar required advanced radiofrequency tolerance, stability, and data throughput. ✅ Enhances tech transfer from NASA and prepares ISRO for future multilateral missions. ✅ India’s credibility grows in high-value hardware collaboration. 📍 Operational & Policy Challenges ✅ NISAR’s Ka-band downlink and 12-metre reflector demand expansion of India’s ground data processing systems. ✅ Need to: • Scale cloud-based infrastructure • Enable near real-time data dissemination • Frame data-sharing rules before 2030 ✅ Critical for fully realizing NISAR’s potential in public-sector applications. #NISAR #ISRO #NASA #GS3 #prelims #science_technology #science_and_technology Join @kannadaquiz0

⭐ INSV Kaundinya: A Voyage into India’s Maritime Heritage 📍 About the Ship ✅ INSV Kaundinya is a stitched sail ship, modeled after a 5th-century CE vessel depicted in the Ajanta cave paintings ✅ Inducted as a naval sailing vessel, it will be based at Karwar 📍 Project & Partnership ✅ Initiated via a tripartite agreement (Jul 2023) ✅ Partners: • Ministry of Culture • Indian Navy • Hodi Innovations (Goa) ✅ Funded by the Ministry of Culture 📍 Design & Craftsmanship ✅ Built using ancient techniques by Kerala artisans under master shipwright Shri Babu Sankaran ✅ Materials: Coconut fibre stitching, coir ropes, wooden joinery, natural resin, cotton sails 📍 Name & Symbolism ✅ Named after Kaundinya, legendary Indian mariner who sailed to Southeast Asia ✅ Motifs on the ship: • Gandabherunda and Sun on sails • Simha Yali (mythical creature) on bow • Harappan-style stone anchor on deck 📍 Why It Matters ✅ Embodies India’s maritime heritage, ancient shipbuilding skills, and Indo-Southeast Asian trade connections ✅ Acts as a floating tribute to India’s cultural diplomacy and oceanic legacy #prelims #art_and_culture Join @kannadaquiz0

📰 Current Affairs – 02 August 2025 🔢 ISRO–NASA: NISAR Satellite Launched 😈ISRO successfully launched the NISAR Earth Observation Satellite from Sriharikota. 😈NISAR is the world’s first dual-frequency SAR satellite (L-band + S-band). ▫️ISRO ಹಾಗೂ NASA ಸಂಯುಕ್ತವಾಗಿ ಅಭಿವೃದ್ಧಿಪಡಿಸಿದ NISAR ಉಪಗ್ರಹವನ್ನು ಶ್ರೀಹರಿಕೋಟಾದಿಂದ ಯಶಸ್ವಿಯಾಗಿ ಉಡಾವಣೆ ಮಾಡಲಾಗಿದೆ. 🔢 Indigenous Hovercraft Construction Begins 😈Indian Coast Guard’s first indigenously built Hovercraft construction started at Goa-based Chowgule & Co. Pvt. Ltd. ▫️ಆತ್ಮನಿರ್ಭರ ಭಾರತ ಯೋಜನೆಯ ಭಾಗವಾಗಿ ಭಾರತೀಯ ಕರಾವಳಿ ಗಾರ್ಡ್‌ಗೆ ಮೊದಲ ದೇಶೀಯ ಹವರ್‌ಕ್ರಾಫ್ಟ್ ನಿರ್ಮಾಣ ಗೋವಾದಲ್ಲಿ ಪ್ರಾರಂಭವಾಗಿದೆ. 🔢 SBI Named World’s Best Consumer Bank 2025 😈Global Finance Magazine awarded SBI as the world’s best consumer bank for its tech-driven services. ▫️ಗ್ರಾಹಕಾಧಾರಿತ ಸೇವೆಗಾಗಿ ಎಸ್‌ಬಿಐಗೆ 2025ರ ವಿಶ್ವದ ಶ್ರೇಷ್ಠ ಗ್ರಾಹಕ ಬ್ಯಾಂಕ್ ಪ್ರಶಸ್ತಿ ಲಭಿಸಿದೆ. 🔢 India Tests First Hydrogen-Powered Train Coach 😈India tested its first hydrogen-powered coach at ICF Chennai under the “Hydrogen for Heritage” initiative. ▫️ಭಾರತ ತನ್ನ ಮೊದಲ ಹೈಡ್ರೋಜನ್ ಚಾಲಿತ ರೈಲು ಕೋಚ್ ಅನ್ನು ಚೆನ್ನೈನಲ್ಲಿರುವ ICF ನಲ್ಲಿ ಯಶಸ್ವಿಯಾಗಿ ಪರೀಕ್ಷಿಸಿದೆ. 🔢 Ashoka Pillar Replica Unveiled in Sri Lanka 😈Ashoka Pillar replica was inaugurated at Waskaduwa Sri Subhuthi Viharaya in Sri Lanka, showing India–Sri Lanka ties. ▫️ಶ್ರೀಲಂಕಾದ ವಸ್ಕಡುವಾ ಶ್ರೀ ಸುಭೂತಿ ವಿಹಾರಾಯದಲ್ಲಿ ಅಶೋಕ ಸ್ತಂಭದ ಪ್ರತಿಕೃತಿಯನ್ನು ಅನಾವರಣ ಮಾಡಲಾಯಿತು. 🔢 Maharashtra–FTII MoU for Creator Economy 😈Maharashtra signed MoU with FTII Pune to train rural youth for the booming ₹1 lakh crore creators’ economy. ▫️ಮಹಾರಾಷ್ಟ್ರ ಸರ್ಕಾರವು FTII ಪುಣೆ ಜೊತೆ ಒಪ್ಪಂದ ಮಾಡಿಕೊಂಡು ಗ್ರಾಮೀಣ ಯುವಕರಿಗೆ ಸೃಜನಾತ್ಮಕ ಕ್ಷೇತ್ರದಲ್ಲಿ ತರಬೇತಿ ನೀಡಲಿದೆ. 🔢 MP Launches Youth Internship Scheme 😈MP to offer ₹6,000 to women and ₹5,000 to men as stipend for industrial internships. ▫️ಮಧ್ಯಪ್ರದೇಶದಲ್ಲಿ ಯುವ ಉದ್ಯೋಗಹೊಂದಿಕೆಗೆ ₹6,000 ಮಹಿಳೆಗಳಿಗೆ ಹಾಗೂ ₹5,000 ಪುರುಷರಿಗೆ ಮಾಸಿಕ ಇಂಟರ್ನ್‌ಶಿಪ್ ಭತ್ಯೆ ಘೋಷಿಸಲಾಗಿದೆ. 🔢 UP Offers Stamp Duty Exemption for Women 😈1% stamp duty exemption on property purchases (up to ₹1 crore) in women’s names approved by UP Cabinet. ▫️ಮಹಿಳೆಯರ ಹೆಸರಿನಲ್ಲಿ ಆಸ್ತಿಯನ್ನು ನೋಂದಾಯಿಸಿದರೆ ₹1 ಕೋಟಿ ಮೌಲ್ಯದ ಆಸ್ತಿಗೆ 1% ಮುದ್ರಾ ಶುಲ್ಕ ಮನ್ನಾ ನೀಡಲಾಗುತ್ತದೆ. Let me know when you want the 3rd August 2025 current affairs in this same format. ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ ✅ Please join our all Channels ➡️ 𝐊𝐏𝐒𝐂/𝐊𝐄𝐀/𝐊𝐒𝐏 𝐂𝐡𝐚𝐧𝐧𝐞𝐥𝐬 ✈️ Also join us on other social media: ➡️ 𝐘𝐨𝐮𝐓𝐮𝐛𝐞 🖥 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩 📗 ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡