{"id":36167,"date":"2025-07-26T13:31:27","date_gmt":"2025-07-26T08:01:27","guid":{"rendered":"https:\/\/edunovations.com\/currentaffairs\/?p=36167"},"modified":"2025-07-26T13:31:31","modified_gmt":"2025-07-26T08:01:31","slug":"isro-nasa-nisar-satellite","status":"publish","type":"post","link":"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/","title":{"rendered":"ISRO NASA NISAR Satellite Launch 2025: GSLV-F16 Mission Highlights &amp; Exam-Relevant Facts"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#ISRO_NASA_NISAR_satellite_will_launch_on_30_July_2025_via_GSLV-F16_featuring_dual-frequency_radar_for_high-resolution_Earth_observation_Know_its_applications_cost_and_key_facts_for_your_upcoming_exams\" >ISRO NASA NISAR satellite will launch on 30 July 2025 via GSLV-F16, featuring dual-frequency radar for high-resolution Earth observation. Know its applications, cost, and key facts for your upcoming exams.<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#ISRO%E2%80%91NASA_NISAR_Mission\" >ISRO\u2011NASA NISAR Mission<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Launch_of_ISRO%E2%80%91NASAs_NISAR_Satellite_via_GSLV-F16\" >Launch of ISRO\u2011NASA\u2019s NISAR Satellite via GSLV-F16<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Dual%E2%80%91Frequency_Radar_A_First_in_Earth_Observation\" >Dual\u2011Frequency Radar: A First in Earth Observation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Technology_SweepSAR_Unfurlable_Reflector\" >Technology: SweepSAR &amp; Unfurlable Reflector<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Applications_Disaster_Management_Ecosystems_Climate_Monitoring\" >Applications: Disaster Management, Ecosystems, Climate Monitoring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Cost_and_Collaboration_Milestone_in_Indo%E2%80%91US_Relations\" >Cost and Collaboration: Milestone in Indo\u2011US Relations<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Why_This_News_Is_Important\" >Why This News Is Important<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Strategic_Significance_in_Science_Technology_Exams\" >Strategic Significance in Science &amp; Technology Exams<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Disaster_Management_Environmental_Governance\" >Disaster Management &amp; Environmental Governance<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Historical_Context_The_Journey_to_NISAR\" >Historical Context: The Journey to NISAR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Key_Takeaways_from_NISAR_Mission\" >Key Takeaways from NISAR Mission<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#FAQs_Frequently_Asked_Questions\" >FAQs: Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#1_What_is_the_full_form_of_NISAR\" >1. What is the full form of NISAR?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#2_When_is_the_NISAR_satellite_scheduled_to_launch\" >2. When is the NISAR satellite scheduled to launch?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#3_Which_rocket_will_be_used_to_launch_NISAR\" >3. Which rocket will be used to launch NISAR?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#4_What_is_unique_about_the_NISAR_satellites_radar\" >4. What is unique about the NISAR satellite\u2019s radar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#5_Which_two_agencies_have_jointly_developed_the_NISAR_mission\" >5. Which two agencies have jointly developed the NISAR mission?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#6_What_are_some_key_applications_of_the_NISAR_satellite\" >6. What are some key applications of the NISAR satellite?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#7_What_is_the_total_cost_of_the_NISAR_mission\" >7. What is the total cost of the NISAR mission?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#8_Which_orbit_will_the_NISAR_satellite_be_deployed_in\" >8. Which orbit will the NISAR satellite be deployed in?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#9_Which_Indian_radar_is_mounted_on_the_NISAR_satellite\" >9. Which Indian radar is mounted on the NISAR satellite?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#10_Why_is_NISAR_considered_important_for_civil_service_and_defence_exam_aspirants\" >10. Why is NISAR considered important for civil service and defence exam aspirants?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/isro-nasa-nisar-satellite\/#Some_Important_Current_Affairs_Links\" >Some Important Current Affairs Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ISRO_NASA_NISAR_satellite_will_launch_on_30_July_2025_via_GSLV-F16_featuring_dual-frequency_radar_for_high-resolution_Earth_observation_Know_its_applications_cost_and_key_facts_for_your_upcoming_exams\"><\/span><strong>ISRO NASA NISAR satellite<\/strong> will launch on 30 July 2025 via GSLV-F16, featuring dual-frequency radar for high-resolution Earth observation. Know its applications, cost, and key facts for your upcoming exams.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ISRO%E2%80%91NASA_NISAR_Mission\"><\/span>ISRO\u2011NASA NISAR Mission<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(Using sources including the Adda247 URL and supporting news\u2014ensuring SEO-friendly, plagiarism\u2011free writing.)<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Launch_of_ISRO%E2%80%91NASAs_NISAR_Satellite_via_GSLV-F16\"><\/span><strong>Launch of ISRO\u2011NASA\u2019s NISAR Satellite via GSLV-F16<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">India\u2019s Geosynchronous Satellite Launch Vehicle (GSLV\u2011F16) is set to launch the NASA\u2011ISRO Synthetic Aperture Radar (NISAR) satellite on <strong>30 July 2025 at 17:40\u202fIST<\/strong>, from the Satish Dhawan Space Centre in Sriharikota. Weighing <strong>2,392\u202fkg<\/strong>, the satellite will be injected into a <strong>743\u202fkm sun\u2011synchronous orbit<\/strong>, enabling <strong>global surveillance every 12 days<\/strong>, in all weather and lighting conditions <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dual%E2%80%91Frequency_Radar_A_First_in_Earth_Observation\"><\/span><strong>Dual\u2011Frequency Radar: A First in Earth Observation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">NISAR carries the world\u2019s <strong>first dual\u2011frequency radar system<\/strong>\u2014an <strong>L\u2011band<\/strong> radar from NASA, which penetrates deeper into vegetation and ground layers, and an <strong>S\u2011band<\/strong> radar from ISRO, optimized for surface reflections. This Radar-Aperture system enables detection of Earth\u2011surface changes as small as a centimeter across <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Technology_SweepSAR_Unfurlable_Reflector\"><\/span><strong>Technology: SweepSAR &amp; Unfurlable Reflector<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Equipped with a massive <strong>12\u2011meter mesh reflector antenna<\/strong>, the satellite uses <strong>SweepSAR technology<\/strong> to cover swaths of <strong>242\u202fkm width<\/strong> per pass. The unfurlable antenna design allows high spatial resolution imaging for terrain, glacial, and ecosystem monitoring\u2014even through cloud cover and darkness <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_Disaster_Management_Ecosystems_Climate_Monitoring\"><\/span><strong>Applications: Disaster Management, Ecosystems, Climate Monitoring<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The satellite\u2019s high\u2011precision data will support <strong>earthquake and landslide response<\/strong>, <strong>tracking glacier retreat<\/strong>, <strong>monitoring soil moisture and groundwater<\/strong>, <strong>sea\u2011ice classification<\/strong>, <strong>forest and wetland mapping<\/strong>, and <strong>shoreline change detection<\/strong>. Its all\u2011weather, day\u2011night capabilities make it especially valuable for real\u2011time disaster preparedness and environmental policy planning <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cost_and_Collaboration_Milestone_in_Indo%E2%80%91US_Relations\"><\/span><strong>Cost and Collaboration: Milestone in Indo\u2011US Relations<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Costing approximately <strong>USD\u202f1.5\u202fbillion<\/strong>, the NISAR mission represents one of the most ambitious and costly Earth\u2011observation projects globally. It reflects over a decade of scientific and technical cooperation between ISRO and NASA, symbolizing deepening <strong>strategic space ties<\/strong> between India and the United States <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\" id=\"ISRO-NASA-NISAR-satellite\"><img decoding=\"async\" src=\"https:\/\/img.etimg.com\/thumb\/width-1600,height-900,imgsize-56610,resizemode-75,msid-122817440\/news\/science\/nasa-isro-satellite-nisar-launch-on-july-30.jpg\" alt=\"ISRO NASA NISAR satellite\" title=\"ISRO NASA NISAR satellite\"\/><figcaption class=\"wp-element-caption\">ISRO NASA NISAR satellite<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_This_News_Is_Important\"><\/span><strong>Why This News Is Important<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Strategic_Significance_in_Science_Technology_Exams\"><\/span><strong>Strategic Significance in Science &amp; Technology Exams<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">For students preparing for defence, civil services, banking or teaching exams, NISAR represents a landmark mission in <strong>Science &amp; Technology<\/strong> syllabus. It showcases India\u2019s growing role in <strong>global space research<\/strong>, advanced radar technology, and <strong>international partnerships<\/strong>\u2014all key topics in government exam frameworks.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disaster_Management_Environmental_Governance\"><\/span><strong>Disaster Management &amp; Environmental Governance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In sectors like <strong>civil services<\/strong> or <strong>environment-related policy planning<\/strong>, NISAR\u2019s all-weather, high-resolution monitoring can <strong>transform disaster prediction<\/strong>, ecosystem management, and agricultural planning. The mission\u2019s applications in tracking natural hazards and climate change align directly with <strong>syllabus themes such as disaster resilience<\/strong> and <strong>sustainable development<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Historical_Context_The_Journey_to_NISAR\"><\/span><strong>Historical Context: The Journey to NISAR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NISAR began as a joint mission agreement between <strong>NASA and ISRO in 2014<\/strong>, envisioned to meet priorities set by the <strong>US National Academy of Sciences decadal survey (2007)<\/strong>: monitoring ecosystems, ice dynamics, and Earth deformation  Originally scheduled for early 2024, the launch faced delays due to thermal concerns in its radar reflector, which was temporarily returned to NASA\u2019s Jet Propulsion Laboratory for special coatings After shipping via C\u2011130 flights and completing final integration and tests at Bengaluru and Sriharikota by mid\u20112025, the mission entered its final countdown phase in July 2025 <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Takeaways_from_NISAR_Mission\"><\/span><strong>Key Takeaways from NISAR Mission<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>S. No.<\/strong><\/th><th><strong>Key Takeaway<\/strong><\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>NISAR will launch on <strong>30 July 2025 at 17:40 IST<\/strong> via ISRO\u2019s <strong>GSLV\u2011F16<\/strong> vehicle.<\/td><\/tr><tr><td>2<\/td><td>It employs <strong>dual-frequency radar systems<\/strong>: NASA\u2019s L\u2011band and ISRO\u2019s S\u2011band in one satellite.<\/td><\/tr><tr><td>3<\/td><td>The satellite will scan entire land and ice every <strong>12 days<\/strong>, providing all\u2011weather, day\u2011night coverage.<\/td><\/tr><tr><td>4<\/td><td>Applications include monitoring <strong>earthquakes, glaciers, soil moisture<\/strong>, coastal changes, and ecosystem shifts.<\/td><\/tr><tr><td>5<\/td><td>At <strong>USD 1.5\u202fbillion<\/strong>, it is the most expensive Earth\u2011observation satellite and marks a major <strong>India\u2011US scientific collaboration<\/strong>.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">ISRO NASA NISAR satellite<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs_Frequently_Asked_Questions\"><\/span><strong>FAQs: Frequently Asked Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_the_full_form_of_NISAR\"><\/span>1. <strong>What is the full form of NISAR?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> NASA-ISRO Synthetic Aperture Radar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_When_is_the_NISAR_satellite_scheduled_to_launch\"><\/span>2. <strong>When is the NISAR satellite scheduled to launch?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> On <strong>30th July 2025 at 17:40 IST<\/strong> from Sriharikota, Andhra Pradesh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Which_rocket_will_be_used_to_launch_NISAR\"><\/span>3. <strong>Which rocket will be used to launch NISAR?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> The <strong>GSLV-F16<\/strong> rocket developed by ISRO.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_What_is_unique_about_the_NISAR_satellites_radar\"><\/span>4. <strong>What is unique about the NISAR satellite\u2019s radar?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> It is the <strong>first satellite in the world to carry dual-frequency radar<\/strong> (L-band and S-band) for Earth observation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Which_two_agencies_have_jointly_developed_the_NISAR_mission\"><\/span>5. <strong>Which two agencies have jointly developed the NISAR mission?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> The <strong>Indian Space Research Organisation (ISRO)<\/strong> and the <strong>National Aeronautics and Space Administration (NASA)<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_What_are_some_key_applications_of_the_NISAR_satellite\"><\/span>6. <strong>What are some key applications of the NISAR satellite?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> Earthquake detection, glacier monitoring, forest mapping, groundwater analysis, and coastal surveillance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_What_is_the_total_cost_of_the_NISAR_mission\"><\/span>7. <strong>What is the total cost of the NISAR mission?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> Approximately <strong>USD 1.5 billion<\/strong>, making it one of the most expensive Earth-observing satellites.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Which_orbit_will_the_NISAR_satellite_be_deployed_in\"><\/span>8. <strong>Which orbit will the NISAR satellite be deployed in?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> A <strong>Sun-synchronous polar orbit at 743 km<\/strong> altitude.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Which_Indian_radar_is_mounted_on_the_NISAR_satellite\"><\/span>9. <strong>Which Indian radar is mounted on the NISAR satellite?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> <strong>S-band radar<\/strong> developed by ISRO.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Why_is_NISAR_considered_important_for_civil_service_and_defence_exam_aspirants\"><\/span>10. <strong>Why is NISAR considered important for civil service and defence exam aspirants?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ans:<\/strong> It demonstrates India\u2019s growing capability in Earth observation, strategic partnerships, and disaster management\u2014frequently covered in <strong>Science &amp; Tech<\/strong> and <strong>Environmental Governance<\/strong> topics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_Important_Current_Affairs_Links\"><\/span>Some Important Current Affairs Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" 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is-style-outline is-style-outline--5\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairsinhindi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Current Affairs In Hindi<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--6\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/news-and-notifications\/\" target=\"_blank\" rel=\"noreferrer noopener\">News and Notifications<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1.jpg\" alt=\"Download this App for Daily Current Affairs MCQ&#039;s\" class=\"wp-image-247\" title=\"\" 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srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner.png 900w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-300x50.png 300w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-768x128.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">News Website Development Company<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>ISRO NASA NISAR satellite will launch on 30 July 2025 via GSLV-F16, featuring dual-frequency radar for high-resolution Earth observation. Know its applications, cost, and key facts for your upcoming exams. ISRO\u2011NASA NISAR Mission (Using sources including the Adda247 URL and supporting news\u2014ensuring SEO-friendly, plagiarism\u2011free writing.) Launch of ISRO\u2011NASA\u2019s NISAR Satellite via GSLV-F16 India\u2019s Geosynchronous Satellite&#8230;<\/p>\n","protected":false},"author":6,"featured_media":36211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,160],"tags":[2332,25534,25535,8325,25537,341,433,25533,25536,2001],"class_list":["post-36167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national","category-science_and_technology","tag-earth-observation","tag-gslv-f16","tag-indian-satellite-launch-2025","tag-indian-space-research","tag-indo-us-space-collaboration","tag-isro","tag-nasa","tag-nisar-mission","tag-science-and-technology-current-affairs","tag-synthetic-aperture-radar"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/comments?post=36167"}],"version-history":[{"count":2,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36167\/revisions"}],"predecessor-version":[{"id":36212,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36167\/revisions\/36212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/media\/36211"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/media?parent=36167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/categories?post=36167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/tags?post=36167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}