{"id":15985,"date":"2025-04-24T16:18:38","date_gmt":"2025-04-24T16:18:38","guid":{"rendered":"https:\/\/exam.pscnotes.com\/current-affairs\/?p=15985"},"modified":"2025-04-24T16:20:02","modified_gmt":"2025-04-24T16:20:02","slug":"quantum-gravity-gradiometer","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/current-affairs\/quantum-gravity-gradiometer\/","title":{"rendered":"Quantum Gravity Gradiometer"},"content":{"rendered":"<ul>\n<li><strong>NASA proposes using Quantum Gravity Gradiometers (QGGs) on satellites:<\/strong> To monitor Earth&#8217;s changing mass distribution, particularly due to climate change effects.<\/li>\n<li><strong>QGGs leverage quantum principles:<\/strong> Atoms are cooled to near absolute zero and manipulated with lasers.<\/li>\n<li><strong>Detects minute gravitational changes:<\/strong> QGGs can measure acceleration differences as small as 10\u207b\u00b9\u2075 m\/s\u00b2 over 1 meter.<\/li>\n<li><strong>High precision mapping:<\/strong> Enables precise monitoring of water, ice, and geological material movement from low Earth orbit.<\/li>\n<li><strong>Measures gravity gradients:<\/strong> QGGs measure the rate of change of gravitational acceleration.<\/li>\n<li><strong>Applications beyond climate:<\/strong> Useful in resource exploration (detecting oil\/gas deposits) and detecting <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n           <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div>  <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> underground structures for geology, archaeology, and defence due to their high precision.<\/li>\n<li><strong>Atom interferometry:<\/strong> QGGs track ultracold atoms in free-fall, detecting phase shifts caused by gravity variations.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>NASA proposes using Quantum Gravity Gradiometers (QGGs) on satellites: To monitor Earth&#8217;s changing mass distribution, particularly due to climate change effects. QGGs leverage quantum principles: Atoms are cooled to near absolute zero and manipulated with lasers. Detects minute gravitational changes: QGGs can measure acceleration differences as small as 10\u207b\u00b9\u2075 m\/s\u00b2 over 1 meter. High precision &#8230; <a title=\"Quantum Gravity Gradiometer\" class=\"read-more\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/quantum-gravity-gradiometer\/\">Read more <span class=\"screen-reader-text\">Quantum Gravity Gradiometer<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":16006,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595],"tags":[1284],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quantum Gravity Gradiometer - Current Affairs Exam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/current-affairs\/quantum-gravity-gradiometer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantum Gravity Gradiometer\" \/>\n<meta property=\"og:description\" content=\"NASA proposes using Quantum Gravity Gradiometers (QGGs) on satellites: To monitor Earth&#8217;s changing mass distribution, particularly due to climate change effects. QGGs leverage quantum principles: Atoms are cooled to near absolute zero and manipulated with lasers. Detects minute gravitational changes: QGGs can measure acceleration differences as small as 10\u207b\u00b9\u2075 m\/s\u00b2 over 1 meter. High precision ... 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QGGs leverage quantum principles: Atoms are cooled to near absolute zero and manipulated with lasers. Detects minute gravitational changes: QGGs can measure acceleration differences as small as 10\u207b\u00b9\u2075 m\/s\u00b2 over 1 meter. High precision ... 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