{"id":13624,"date":"2023-08-01T03:49:59","date_gmt":"2023-07-31T22:19:59","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=13624"},"modified":"2025-04-02T05:54:14","modified_gmt":"2025-04-02T00:24:14","slug":"what-is-the-translunar-injection-tli","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-the-translunar-injection-tli\/","title":{"rendered":"What is the TransLunar Injection (TLI)?"},"content":{"rendered":"<h2><strong>About TransLunar Injection (TLI):<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li>It is a <strong>critical maneuver<\/strong> performed during space missions <strong>to send spacecraft from Earth&#8217;s orbit to a trajectory that will take them to the Moon.<\/strong><\/li>\n<li>It is a key step in lunar missions, <strong>enabling spacecraft to escape Earth&#8217;s gravitational pull and travel to the Moon.<\/strong><\/li>\n<li><strong>When is it performed? <\/strong>The TLI is performed when the s<strong>pacecraft is at a specific point in <\/strong>its orbit <strong>known as the \u2018perigee\u2019 or the closest point to Earth.<\/strong><\/li>\n<li><strong>How is it done?<\/strong>\n<ul>\n<li>During a TLI, the spacecraft&#8217;s <strong>propulsion system fires its engines to accelerate the spacecraft.<\/strong><\/li>\n<li>The <strong>spacecraft gains enough speed<\/strong> <strong>to break free from Earth&#8217;s gravitational pull<\/strong> and embark on its journey toward the moon.<\/li>\n<li>The <strong>amount of thrust and duration<\/strong> of the TLI burn <strong>depends on various factors<\/strong>, including the <strong>spacecraft&#8217;s mass, its velocity in Earth&#8217;s orbit<\/strong>, and the specific <strong>mission objectives.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>What happens next?<\/strong>\n<ul>\n<li>Once the TLI is successfully completed, the <strong>spacecraft is put on a lunar trajectory,<\/strong> and it will <strong>continue its journey to the Moon without further propulsion from Earth.<\/strong><\/li>\n<li>After the TLI, the <strong>spacecraft typically enters a transfer orbit<\/strong>, which is <strong>an elliptical path<\/strong> <strong>that intersects with the Moon&#8217;s orbit.<\/strong><\/li>\n<li>The spacecraft <strong>continues to travel in its highly eccentric orbit<\/strong> <strong>until it reaches the Moon&#8217;s surface.<\/strong><\/li>\n<li>As the spacecraft <strong>approaches the Moon<\/strong>, it <strong>may perform additional maneuvers<\/strong>, <strong>such as lunar orbit insertion (LOI), to enter into lunar orbit<\/strong> <strong>or land on the lunar surface,<\/strong> depending on the mission&#8217;s goals.<\/li>\n<li>The TLI burn <strong>has been performed successfully on many missions to the Moon, including the Apollo missions, the Chang&#8217;e missions, and the Artemis missions<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is Chandrayaan-3?<\/h3>\n<p>Chandrayaan-3 (&#8220;mooncraft&#8221;) is a planned 3rd lunar exploration mission by the ISRO to demonstrate end-to-end capability in Safe landing (through the lander Vikram &#8211; after Vikram Sarabhai, the father of the Indian space programme) and Roving (through the rover Pragyan) on the lunar surface.Chandrayaan-3 interplanetary mission has three major modules: the Propulsion module, Lander module, and Rover.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/isro-successfully-conducts-translunar-injection-of-chandrayaan-3\/article67143826.ece\" target=\"_blank\" rel=\"nofollow noopener\"><u>ISRO successfully conducts TransLunar Injection of Chandrayaan-3<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TransLunar Injection is a critical maneuver performed during space missions to send spacecraft from Earth&#8217;s orbit to a trajectory that will take them to the Moon.<\/p>\n","protected":false},"author":5,"featured_media":13625,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-13624","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\/13624","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=13624"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13624\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/13625"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=13624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=13624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=13624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}