


{"id":87224,"date":"2026-02-11T13:11:41","date_gmt":"2026-02-11T07:41:41","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=87224"},"modified":"2026-02-11T15:39:34","modified_gmt":"2026-02-11T10:09:34","slug":"national-large-solar-telescope","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/national-large-solar-telescope\/","title":{"rendered":"National Large Solar Telescope"},"content":{"rendered":"<h2><b>National Large Solar Telescope Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">In this year\u2019s Union Budget, the government sanctioned the establishment of two new telescopes namely National Large Solar Telescope and National Large Optical-Near Infrared Telescope to study the sun and the origins of the universe.<\/span><\/p>\n<h2><b>About National Large Solar Telescope<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>2-metre aperture solar telescope,<\/b><span style=\"font-weight: 400;\"> coming up in the <\/span><b>Merak region near the <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/pangong-tso-lake\/\" target=\"_blank\">Pangong Tso Lake<\/a>.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Purpose:<\/b><span style=\"font-weight: 400;\"> It is meant to <\/span><b>study the sun<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It will <\/span><b>operate in the visible and near-infrared wavelengths<\/b><span style=\"font-weight: 400;\"> of the electromagnetic spectrum.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It will help solar physicists to study the <\/span><b>fundamental solar dynamics and magnetism<\/b><span style=\"font-weight: 400;\">, energetic solar events, <\/span><b>and map various space-weather processes <\/b><span style=\"font-weight: 400;\">having a direct bearing on the Earth and national space assets, like satellites and space launches.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">NLST will serve as India\u2019s <\/span><b>third ground-based<\/b><span style=\"font-weight: 400;\"> solar observatory.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Currently, the <\/span><b>Kodaikanal Solar Observatory<\/b><span style=\"font-weight: 400;\"> (in Tamil Nadu, established 1899) and the <\/span><b>Udaipur Solar Observatory<\/b><span style=\"font-weight: 400;\"> (in Rajasthan, established 1975) are operational.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>Key Facts about National Large Optical-Near Infrared Telescope<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a 13.7-metre <\/span><b>aperture segmented-mirror telescope<\/b><span style=\"font-weight: 400;\"> which will be <\/span><b>built in Hanle.<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In a segmented-mirror telescope, a larger primary mirror comprises highly complex, smaller hexagonal mirror segments.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It will have <\/span><b>90 smaller segmented mirrors<\/b><span style=\"font-weight: 400;\"> arranged in a fashion that they all collect light but act as one, large mirror.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It will be one of the world\u2019s largest telescopes operating in the <\/span><b>electromagnetic spectrum\u2019s optical-infrared wavelengths.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Objective:<\/b><span style=\"font-weight: 400;\"> Frontier <\/span><b>research on exoplanets,<\/b> <b>stellar and galactic evolution<\/b><span style=\"font-weight: 400;\">, and supernovae will be possible, besides looking for clues to trace the origins of the universe.\u00a0<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-sci-tech\/india-ladakh-telescopes-astronomy-union-budget-10524715\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>National Large Solar Telescope is a 2-metre aperture solar telescope, coming up in the Merak region near the Pangong Tso Lake. Read more about National Large Solar Telescope, Purpose, Key Facts, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":87240,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[5313,21,22,23],"class_list":{"0":"post-87224","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-national-large-solar-telescope","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/87224","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\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=87224"}],"version-history":[{"count":5,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/87224\/revisions"}],"predecessor-version":[{"id":87288,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/87224\/revisions\/87288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/87240"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=87224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=87224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=87224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}