{"id":353471,"date":"2026-01-08T17:50:47","date_gmt":"2026-01-08T12:20:47","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=353471"},"modified":"2026-01-08T17:50:47","modified_gmt":"2026-01-08T12:20:47","slug":"dust-experiment-dex","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/dust-experiment-dex\/","title":{"rendered":"Dust EXperiment (DEX)"},"content":{"rendered":"<p><strong>News: <\/strong>ISRO confirmed that the Dust Experiment (DEX), India\u2019s first indigenous dust detector, recorded interplanetary dust particles entering Earth\u2019s atmosphere every thousand seconds.<\/p>\n<h2>About Dust EXperiment (DEX)<\/h2>\n<figure id=\"attachment_353472\" aria-describedby=\"caption-attachment-353472\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-353472\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-ISRO.jpg?resize=300%2C267&#038;ssl=1\" alt=\"Dust EXperiment (DEX)\" width=\"300\" height=\"267\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-ISRO.jpg?resize=300%2C267&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-ISRO.jpg?resize=768%2C683&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-ISRO.jpg?w=962&amp;ssl=1 962w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-353472\" class=\"wp-caption-text\">Source &#8211; ISRO<\/figcaption><\/figure>\n<ul>\n<li>Dust EXperiment (DEX) is <strong>India<\/strong><strong>\u2019<\/strong><strong>s first home-made instrument designed to detect high-speed interplanetary dust particles in Earth orbit.<\/strong><\/li>\n<li><strong>Developed by:<\/strong> It was developed by the <strong>Physical Research Laboratory under Indian Space Research Organisation.<\/strong><\/li>\n<li><strong>Aim<\/strong>: The main <strong>aim<\/strong> of DEX is <strong>to detect and measure impacts of microscopic interplanetary dust particles<\/strong> to understand the space environment.<\/li>\n<li><strong>Mission<\/strong>: It was flown onboard the <strong>PSLV Orbital Experimental Module <\/strong>(POEM) of the <strong>PSLV-C58 XPoSat mission<\/strong> launched <strong>on January 1, 2024<\/strong>.<\/li>\n<li><strong>Key technical details<\/strong>\n<ul>\n<li>The instrument has a <strong>weight of about three kilograms<\/strong> and operates at a <strong>power consumption of 4.5 watts.<\/strong><\/li>\n<li>It was placed at an <strong>altitude of around 350 km<\/strong> while skimming Earth\u2019s atmosphere at a <strong>9.5 degree inclination<\/strong>.<\/li>\n<li>The detector has a wide <strong>field of view of about 140 degrees.<\/strong><\/li>\n<li>It works on the hypervelocity detection principle by recording high-speed dust impact signals.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Major findings<\/strong>\n<ul>\n<li><strong>Constant bombardment:<\/strong> The observations confirmed that Earth\u2019s atmosphere faces continuous bombardment by interplanetary dust particles.<\/li>\n<li><strong>Dust flux:<\/strong> DEX measured a <strong>dust flux of up to 6.5 \u00d7 10<\/strong>\u207b<strong>\u00b3 <\/strong><strong>per square metre per second,<\/strong> indicating a high impact rate.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Significance<\/strong>: The experiment provides <strong>critical data for monitoring space environment risks and supporting future satellite<\/strong>, human spaceflight, and planetary missions.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: ISRO confirmed that the Dust Experiment (DEX), India\u2019s first indigenous dust detector, recorded interplanetary dust particles entering Earth\u2019s atmosphere every thousand seconds. About Dust EXperiment (DEX) Dust EXperiment (DEX) is India\u2019s first home-made instrument designed to detect high-speed interplanetary dust particles in Earth orbit. Developed by: It was developed by the Physical Research Laboratory&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/dust-experiment-dex\/\">Continue reading <span class=\"screen-reader-text\">Dust EXperiment (DEX)<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-353471","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/353471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=353471"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/353471\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=353471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=353471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=353471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}