{"id":31681,"date":"2025-04-03T05:16:48","date_gmt":"2025-04-02T23:46:48","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=31681"},"modified":"2025-04-16T13:55:33","modified_gmt":"2025-04-16T08:25:33","slug":"chandrayaan-3-chaste","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/chandrayaan-3-chaste\/","title":{"rendered":"Chandrayaan-3 ChaSTE"},"content":{"rendered":"<h2>Chandrayaan-3 ChaSTE Latest News<\/h2>\n<p>Chandrayaan-3\u2019s Surface Thermophysical Experiment (ChaSTE) became the first instrument to measure in situ temperatures near the moon\u2019s south pole.<\/p>\n<ul>\n<li>\u00a0It successfully <strong>penetrated lunar soil<\/strong> and deployed a <strong>thermal probe<\/strong>, achieving what two previous missions\u2014<strong>ESA\u2019s Philae (2014) and NASA\u2019s InSight HP3 (2018)<\/strong>\u2014could not.<\/li>\n<li>This experiment provided crucial <strong>data on lunar surface temperatures<\/strong>, strengthening evidence of <strong>water ice deposits<\/strong>.<\/li>\n<\/ul>\n<h2>How ChaSTE Works<\/h2>\n<ul>\n<li><strong>ChaSTE\u2019s thermal probe<\/strong> was integrated into the <strong>Vikram lander<\/strong> of <strong>Chandrayaan-3<\/strong>, which landed on <strong>August 23, 2023<\/strong>.<\/li>\n<li>The probe is equipped with <strong>10 temperature sensors<\/strong> placed <strong>1 cm apart<\/strong> along its length, near the <strong>nose-tip<\/strong>.<\/li>\n<li>It <strong>uses a rotation-based deployment mechanism<\/strong> instead of a hammering device, which played a crucial role in its success.<\/li>\n<li>The <strong>motor rotates<\/strong>, pushing the probe downward <strong>until the tip touches the Moon\u2019s surface<\/strong>.<\/li>\n<li>As the probe continues to <strong>penetrate deeper<\/strong>, the increasing <strong>resistance from the lunar soil<\/strong> helps determine how far it has descended.<\/li>\n<li>ChaSTE <strong>successfully reached a depth of 10 cm<\/strong> in the Moon\u2019s regolith, where it continuously <strong>monitored temperature variations<\/strong> until September 2, 2023.<\/li>\n<li>The final <strong>temperature readings<\/strong> from the <strong>deep lunar soil<\/strong> confirmed <strong>thermal properties essential for lunar exploration<\/strong>.<\/li>\n<\/ul>\n<h3>Comparisons with Previous Missions<\/h3>\n<ul>\n<li><strong>ESA\u2019s Philae lander (2014) on Comet 67P<\/strong>: It carried the <strong>MUPUS instrument<\/strong> to measure surface and subsurface temperatures. Failed due to an <strong>awkward landing<\/strong>, preventing the probe from being deployed properly.<\/li>\n<li><strong>NASA\u2019s InSight lander (2018) on Mars: <\/strong>Included the <strong>Heat Flow and Physical Properties Package (HP3)<\/strong>, featuring a <strong>self-hammering nail nicknamed &#8220;The Mole&#8221;<\/strong> designed to penetrate 5 meters underground.\n<ul>\n<li>Encountered <strong>low friction in Martian sand<\/strong>, preventing it from burrowing deep enough to collect meaningful temperature data.<\/li>\n<li>The <strong>temperature sensors were attached to a tether<\/strong>, not on the mole itself, which made data collection impossible.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Chandrayaan-3 ChaSTE FAQs<\/h2>\n<p><strong>Q1.<\/strong> What is Chandrayaan-3?<br \/>\n<strong>Ans.<\/strong> It is India&#8217;s third lunar mission, launched by ISRO, with the objective of soft-landing near the Moon&#8217;s south pole.<\/p>\n<p><strong>Q2.<\/strong> What does ChaSTE stand for?<br \/>\n<strong>Ans.<\/strong> ChaSTE (Chandra\u2019s Surface Thermophysical Experiment) is an instrument on the Vikram lander to measure lunar soil temperature.<\/p>\n<p><strong>Q3.<\/strong> Why is ChaSTE important?<br \/>\n<strong>Ans.<\/strong> It provides data on temperature variations beneath the lunar surface, helping in future Moon exploration missions.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/chandrayaan-3-chaste-instrument-first-successful-thermal-probe-celestial-body\/article69403476.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ChaSTE (Chandra\u2019s Surface Thermophysical Experiment) is an instrument on the Vikram lander to measure lunar soil temperature.<\/p>\n","protected":false},"author":5,"featured_media":31682,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-31681","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/31681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=31681"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/31681\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/31682"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=31681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=31681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=31681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}