{"id":29922,"date":"2025-02-05T09:22:52","date_gmt":"2025-02-05T03:52:52","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=29922"},"modified":"2025-04-09T11:56:09","modified_gmt":"2025-04-09T06:26:09","slug":"extremely-large-telescope-elt","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/extremely-large-telescope-elt\/","title":{"rendered":"Extremely Large Telescope (ELT)"},"content":{"rendered":"<h2>Extremely Large Telescope Latest News<\/h2>\n<p>Lurking in the barren Atacama Desert, the Extremely Large Telescope (ELT), a colossal machine nears completion.<\/p>\n<h2>About Extremely Large Telescope (ELT)<\/h2>\n<ul>\n<li>It <strong>will be the world&#8217;s largest optical telescope,<\/strong> with a <strong>primary mirror<\/strong> that <strong>measures 128 feet <\/strong>(39 meters) across.<\/li>\n<li>It is being <strong>built by the European Southern Observatory (ESO) in Chile<\/strong> at a cost of 1.3 billion euros (around $1.4 billion).<\/li>\n<li>It will be <strong>capable of detecting<\/strong>\u2014and possibly even <strong>imaging\u2014terrestrial planets <\/strong>in the <strong>habitable zones of other stars.<\/strong><\/li>\n<li>The ELT is under construction <strong>atop Cerro Armazones,<\/strong> which is a <strong>mountaintop in Chile&#8217;s Atacama Desert.\u00a0<\/strong><\/li>\n<li>The giant ELT dome will house the telescope and its interior structure,\u202fproviding protection\u202ffrom the extreme environment of Chile\u2019s Atacama Desert.\u202f<\/li>\n<li>The<strong> main structure<\/strong> of the telescope\u202fwill\u202fhold\u202fits <strong>five mirrors and optics<\/strong>, including the enormous 39-metre primary mirror.\u202f<\/li>\n<li>The primary mirror, rather than being a single slab of glass, is made up of 798 hexagonal segments, each of which is 5 feet (1.5 m) across and 2 inches (5 cm) thick.<\/li>\n<\/ul>\n<h2>Key Facts about European Southern Observatory (ESO)<\/h2>\n<ul>\n<li>It is the <strong>preeminent intergovernmental<\/strong> science and technology <strong>organisation in astronomy.\u00a0<\/strong><\/li>\n<li>It is supported by <strong>16 countries: Austria<\/strong>, <strong>Belgium<\/strong>, <strong>Brazil<\/strong>, the Czech Republic, Denmark, <strong>France<\/strong>, Finland, <strong>Germany<\/strong>, Ireland, <strong>Italy<\/strong>, the Netherlands, Portugal, Spain, Sweden, <strong>Switzerland, a<\/strong>nd the<strong> United Kingdom.<\/strong><\/li>\n<li>It carries out an ambitious programme focused on the <strong>design, construction, and operation of powerful ground-based observing facilities for astronomy<\/strong> to enable important scientific discoveries.<\/li>\n<li>ESO also plays a leading role in promoting and organising cooperation in astronomical research.\u00a0<\/li>\n<li>ESO <strong>operates three<\/strong> unique, <strong>world-class observing sites in Chile: La Silla, Paranal, and Chajnantor.<\/strong><\/li>\n<li><strong>Headquarters: Garching, Germany<\/strong><\/li>\n<\/ul>\n<h2>Extremely Large Telescope FAQs<\/h2>\n<p><strong>Q1<\/strong>. Where is the Extremely Large Telescope located?<\/p>\n<p><strong>Ans<\/strong>. It is being built atop Cerro Armazones, which is a mountaintop in Chile&#8217;s Atacama Desert.\u00a0<\/p>\n<p><strong>Q2<\/strong>. Which is the world&#8217;s largest telescope?<\/p>\n<p><strong>Ans<\/strong>. The world&#8217;s largest telescope is the Gran Telescopio Canarias (GTC), located at the Roque de los Muchachos Observatory on the Canary Island of La Palma, Spain.<\/p>\n<p><strong>Q3<\/strong>. What is an optical telescope?<\/p>\n<p><strong>Ans<\/strong>. An optical telescope is an instrument used to observe distant objects by collecting and magnifying visible light (the light that can be seen by the human eye).\u00a0<\/p>\n<p><strong>Source<\/strong>: <a href=\"https:\/\/www.businesstoday.in\/visualstories\/news\/a-1-5-billion-eye-a-rival-to-james-webb-is-being-quietly-tested-in-a-barren-desert-205904-30-01-2025\" target=\"_blank\" rel=\"nofollow noopener\">BT<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Extremely Large Telescope will be the world&#8217;s largest optical telescope, with a primary mirror that measures 128 feet (39 meters) across.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-29922","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-upsc-prelims-current-affairs","7":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/29922","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=29922"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/29922\/revisions"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=29922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=29922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=29922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}