{"id":25543151,"date":"2022-09-27T00:07:04","date_gmt":"2022-09-26T18:37:04","guid":{"rendered":"https:\/\/entri.app\/blog\/?p=25543151"},"modified":"2023-01-18T10:07:51","modified_gmt":"2023-01-18T04:37:51","slug":"nasa-dart-mission-upsc-notes","status":"publish","type":"post","link":"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/","title":{"rendered":"NASA DART Mission &#8211; UPSC Notes"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69df4fd590ac4\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69df4fd590ac4\"  aria-label=\"Toggle\" \/><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:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#What_Is_The_Dart_Mission\" >What Is The Dart Mission ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#Objectives_Of_NASA_DART_Mission\" >Objectives Of NASA DART Mission<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#What_Are_Asteroids\" >What Are Asteroids?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#NASA_DART_Mission_Configuration\" >NASA DART Mission Configuration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#DARTS_Target_Asteroid\" >DART&#8217;S Target Asteroid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#Importance_Of_DART_To_Planetary_Defence\" >Importance Of DART To Planetary Defence<\/a><\/li><\/ul><\/nav><\/div>\n<p>To change the path of an asteroid NASA has launched a test mission <strong>DART (Double Asteroid Redirection Test). <\/strong>NASA DART Mission is a planetary defence-driven test of technologies for preventing an impact on Earth by a hazardous asteroid. The spacecraft will be launched on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California. \u00a0Its purpose is to divert the course of an asteroid called Dimorphos. DART is the first-ever mission dedicated to investigating and demonstrating one method of asteroid deflection by changing an asteroid\u2019s motion in space through kinetic impact.<\/p>\n<p>NASA&#8217;s Double Asteroid Redirection Test (DART) spacecraft is hurtling toward the asteroid Didymos and its moonlet Dimorphos, and it&#8217;ll reach its target tonight (Sept. 26). At 7:14 p.m. EDT (2314 GMT), if all goes well, DART will crash into Dimorphos in an attempt to alter the moonlet&#8217;s trajectory.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/06\/blog-banner1-1.png\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_The_Dart_Mission\"><\/span><strong>What Is The Dart Mission ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DART is an inexpensive spacecraft. It is equipped with\u00a0two solar arrays\u00a0and is\u00a0propelled by hydrazine propellant. Additionally, it carries around ten kilogrammes of xenon, which will be used to demonstrate the agency&#8217;s new thrusters in orbit, named\u00a0NASA Evolutionary Xenon Thruster\u2013Commercial (NEXT-C).<\/p>\n<p>The\u00a0NEXT-C gridded ion thruster system is especially suitable for deep space robotic missions due to its mix of performance and spacecraft integration capabilities.\u00a0Didymos Reconnaissance and Asteroid Camera for Optical Navigation (DRACO)is a high-resolution imager carried by spacecraft. This method will have DART deliberately collide with a target asteroid which poses no threat to Earth, in order to change its speed and path. DART\u2019s target is the binary, near-Earth asteroid system\u00a0Didymos, composed of the roughly 780-meter (2,560-foot) -diameter \u201cDidymos\u201d and the smaller, approximately 160-meter (530-foot)-size \u201cDimorphos,\u201d which orbits Didymos.<\/p>\n<p>DART will impact Dimorphos to change its orbit within the binary system. DART is also carrying a cubesat that will film the larger spacecraft&#8217;s impact and beam the footage back to researchers on Earth. At the time of DART&#8217;s impact,\u00a0Didymos will be visible enough\u00a0to be a good candidate for study and distant enough to be no danger, at approximately 6.8 million miles (11 kilometers) away from Earth.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Objectives_Of_NASA_DART_Mission\"><\/span><strong>Objectives Of NASA DART Mission<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DART is the first technology demonstration of the kinetic impactor technique that could be used to<strong> lighten the threat of an asteroid hitting Earth. <\/strong>The kinetic impactor mitigation technique is the impulsive deflection of the asteroid through the sudden addition of momentum. In simpler terms, DART is being sent to collide with an asteroid to change its orbital period.<\/p>\n<p><strong>Key Objectives<\/strong><\/p>\n<ul>\n<li>DART is a test of our ability to achieve a kinetic impact on an asteroid and observe the asteroid\u2019s response.<\/li>\n<li>After DART\u2019s kinetic impact with its target asteroid Dimorphos, an investigation team will measure how much the impact changed the asteroid\u2019s motion in space using telescopes on Earth.<\/li>\n<li>This mission engages the international planetary science community and embraces worldwide cooperation to address the global issue of planetary defense.<\/li>\n<\/ul>\n<p><strong>DART\u2019s Mission Objectives:<\/strong><\/p>\n<ul>\n<li>Demonstrate a kinetic impact with Dimorphos.<\/li>\n<li>Change the binary orbital period of Dimorphos.<\/li>\n<li>Use ground-based telescope observations to measure Dimorphos\u2019 period change before and after impact.<\/li>\n<li>Measure the effects of the impact and resulting ejecta on Dimorphos.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Asteroids\"><\/span><strong>What Are Asteroids?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Asteroids, sometimes called minor planets, are\u00a0rocky remnants left over from the early formation of our solar system about 4.6 billion years ago. Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt.<\/p>\n<p>Asteroids\u00a0range in size\u00a0from\u00a0Vesta\u00a0(the largest at about 329 miles in diameter) to\u00a0bodies that are less than 33 feet\u00a0across. The\u00a0total mass of all the asteroids combined\u00a0is\u00a0less than that of Earth&#8217;s Moon.<\/p>\n<p>Asteroids are\u00a0not all round\u00a0like planets. They have\u00a0jagged and irregular shapes. Most asteroids are\u00a0made of different kinds of rocks, but some have\u00a0clays or metals, such as nickel and iron.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/entri.app\/blog\/category\/civil-services-exam\/\" target=\"_blank\" rel=\"noopener\">Attempt free mock test for UPSC exams!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NASA_DART_Mission_Configuration\"><\/span><strong>NASA DART Mission Configuration<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Weight\u00a0<\/strong>: A considerably\u00a0low-cost spacecraft DART weighsabout 610 KG at the time of its launch and will shed a little of its weight during its flight and weigh about 550 KG during the impact.<\/li>\n<li><strong>Structure<\/strong>: The main structure is a box (1.2 \u00d7 1.3 \u00d7 1.3 metres). It has two solar arrays and uses hydrazine propellant for manoeuvring the spacecraft.<\/li>\n<li>The spacecraft has been appended with a high-resolution imager called\u00a0Didymos Reconnaissance and Asteroid Camera for Optical Navigation (DRACO)which will give precise images and information to the scientists to study the impact of the collision on the trajectory of the asteroid.<\/li>\n<li>DART will also carry a small satellite or\u00a0CubeSat named LICIACube\u00a0(Light Italian CubeSat for Imaging of Asteroids).<\/li>\n<\/ul>\n<h3 style=\"text-align: center;\"><a href=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/09\/To-change-the-path-of-an-asteroid-NASA-has-launched-a-test-mission-DART.pdf\"><strong>NASA DART Mission &#8211; UPSC Notes<\/strong><\/a><\/h3>\n<h2><span class=\"ez-toc-section\" id=\"DARTS_Target_Asteroid\"><\/span><strong>DART&#8217;S Target Asteroid<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The binary near-Earth asteroid (65803) Didymos is the target for the DART demonstration. While the Didymos primary body is approximately 780 meters across, its secondary body (or \u201cmoonlet\u201d) is about 160-meters in size, which is more typical of the size of asteroids that could pose the most likely significant threat to Earth. The Didymos binary is being intensely observed using telescopes on Earth to precisely measure its properties before DART arrives.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Importance_Of_DART_To_Planetary_Defence\"><\/span><strong>Importance Of DART To Planetary Defence<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NASA established the Planetary Defense Coordination Office to manage its ongoing mission of planetary defence.<\/p>\n<ul>\n<li>The PDCO\u2019s goals are to provide early detection of potentially hazardous objects, track and characterize the objects, study strategies and technologies for mitigating possible impacts, and play a leading role in U.S. government response planning for an actual impact.<\/li>\n<li>DART is the first planetary defence test mission for PDCO.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/06\/blog-banner-1-1.png\" \/><\/p>\n<p>The DART mission can hopefully give NASA and other space agencies in the world the signal to move forward and stop if a giant space rock heads towards us to eliminate the life on earth one day and prevent the judgement day destruction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To change the path of an asteroid NASA has launched a test mission DART (Double Asteroid Redirection Test). NASA DART Mission is a planetary defence-driven test of technologies for preventing an impact on Earth by a hazardous asteroid. The spacecraft will be launched on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in [&hellip;]<\/p>\n","protected":false},"author":116,"featured_media":25543159,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[802,164,558,885],"tags":[],"class_list":["post-25543151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-current-affairs","category-general-knowledge","category-civil-services-exam"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NASA DART Mission - UPSC Notes - Entri Blog<\/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:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NASA DART Mission - UPSC Notes - Entri Blog\" \/>\n<meta property=\"og:description\" content=\"To change the path of an asteroid NASA has launched a test mission DART (Double Asteroid Redirection Test). NASA DART Mission is a planetary defence-driven test of technologies for preventing an impact on Earth by a hazardous asteroid. The spacecraft will be launched on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/\" \/>\n<meta property=\"og:site_name\" content=\"Entri Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/entri.me\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-26T18:37:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-18T04:37:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/09\/Untitled-55.png\" \/>\n\t<meta property=\"og:image:width\" content=\"820\" \/>\n\t<meta property=\"og:image:height\" content=\"615\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Zubaida Naheeda\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@entri_app\" \/>\n<meta name=\"twitter:site\" content=\"@entri_app\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Zubaida Naheeda\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/entri.app\/blog\/nasa-dart-mission-upsc-notes\/\"},\"author\":{\"name\":\"Zubaida Naheeda\",\"@id\":\"https:\/\/entri.app\/blog\/#\/schema\/person\/57cc17a9be1cbae603693210c714d289\"},\"headline\":\"NASA DART Mission &#8211; 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