{"id":44921,"date":"2025-02-13T10:01:15","date_gmt":"2025-02-13T04:31:15","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=44921"},"modified":"2025-10-14T11:39:20","modified_gmt":"2025-10-14T06:09:20","slug":"einstein-ring-discovered-around-ngc-6505","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/einstein-ring-discovered-around-ngc-6505\/","title":{"rendered":"Einstein Ring Discovered Around NGC 6505: A Breakthrough in Space Exploration"},"content":{"rendered":"<h2>What\u2019s in Today\u2019s Article?<\/h2>\n<ul>\n<li>Einstein Ring Latest News<\/li>\n<li>NGC 6505<\/li>\n<li>Einstein Ring<\/li>\n<li>Need to Study Einstein Rings<\/li>\n<li>Einstein Ring FAQs<\/li>\n<\/ul>\n<h2>Einstein Ring Latest News<\/h2>\n<ul>\n<li>The European Space Agency\u2019s (ESA) Euclid space telescope has discovered a rare Einstein ring around the galaxy NGC 6505, located 590 million light-years from Earth.\u00a0<\/li>\n<li>Captured in September 2023 and released recently, the images show a bright central galaxy encircled by a luminous ring.\u00a0<\/li>\n<li>Astronomers have described the find as extraordinary and lucky, highlighting its significance in Euclid\u2019s early data.<\/li>\n<\/ul>\n<h2>NGC 6505<\/h2>\n<ul>\n<li>NGC 6505 is an <strong>elliptical galaxy<\/strong> classified as E\/S0, located in the <strong>Draco constellation<\/strong> in the northern celestial hemisphere.\u00a0\n<ul>\n<li>Draco is\u00a0a constellation in the northern sky that looks like a dragon.\u00a0<\/li>\n<li>It&#8217;s the ninth largest constellation and is visible for most of the year from the Northern Hemisphere.\u00a0<\/li>\n<\/ul>\n<\/li>\n<li>It lies about 608 million light-years from the Milky Way and has a diameter of 190,000 light-years.\u00a0<\/li>\n<li>Discovered by Lewis A. Swift in 1884, it gained significance in 2025 when the Euclid Space Telescope detected a complete Einstein ring surrounding it.<\/li>\n<\/ul>\n<h2>Einstein Ring<\/h2>\n<ul>\n<li>An Einstein ring is a circular ring of light formed around a galaxy, dark matter, or a cluster of galaxies due to gravitational lensing.\n<ul>\n<li>Gravitational lensing occurs when a massive celestial object, like a galaxy or galaxy cluster, bends and amplifies the light from a more distant object behind it but along the same line of sight.\u00a0<\/li>\n<li>The object causing the light to bend is called a gravitational lens.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/111111_875cf0d57b.webp\" alt=\"111111.webp\" \/><\/figure>\n<h3>The Recently Discovered Einstein Ring<\/h3>\n<ul>\n<li>In the case of the Einstein ring found by ESA\u2019s Euclid telescope, the galaxy NGC 6505 acted as the gravitational lens, distorting and magnifying the light from a distant unnamed galaxy located 4.42 billion light-years away.<\/li>\n<\/ul>\n<h3>Rarity and Discovery of Einstein Rings<\/h3>\n<ul>\n<li>Einstein rings were predicted by Albert Einstein\u2019s general theory of relativity.<\/li>\n<li>The first one was discovered in 1987, and while several more have been found, their total number remains unknown.<\/li>\n<li>They are <strong>extremely rare<\/strong>, with less than <strong>1% of galaxies<\/strong> having an Einstein ring.<\/li>\n<li>These rings are not visible to the naked eye and can only be observed through space telescopes like <strong>Euclid<\/strong>.<\/li>\n<\/ul>\n<h2>Need to Study Einstein Rings<\/h2>\n<ul>\n<li><strong>Understanding Dark Matter<\/strong> \u2013 Einstein rings help study <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/dark-matter-and-dark-energy\/\" target=\"_blank\"><strong>dark matter<\/strong><\/a>, which makes up <strong>85% of the universe<\/strong> but cannot be directly detected. Gravitational lensing allows scientists to observe its effects.<\/li>\n<li><strong>Studying Distant Galaxies<\/strong> \u2013 These rings magnify galaxies that would otherwise be invisible, providing insights into their structure and composition.<\/li>\n<li><strong>Exploring Universe Expansion<\/strong> \u2013 By analyzing light from both foreground and background galaxies, Einstein rings help scientists understand how the <strong>universe is expanding<\/strong> over time.<\/li>\n<li><strong>Bridging Science with Everyday Life<\/strong> &#8211; The principles of gravitational lensing have applications in medical imaging, optical lens design, and telecommunications.\u00a0\n<ul>\n<li>Computational models used in analyzing cosmic distortions also contribute to AI, machine learning, and big data analytics, influencing diverse fields like finance, climate science, and urban planning.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Einstein Ring FAQs<\/h2>\n<p><strong>Q1.<\/strong> What is the Einstein ring?<\/p>\n<p><strong>Ans.<\/strong> An Einstein ring is a circular light pattern formed due to gravitational lensing by a massive celestial object.<\/p>\n<p><strong>Q2.<\/strong> What causes an Einstein ring?<\/p>\n<p><strong>Ans. <\/strong>An Einstein ring occurs when light from a distant galaxy is bent perfectly around a massive foreground object, creating a circular shape.<\/p>\n<p><strong>Q3. <\/strong>What does the Draco constellation represent?<\/p>\n<p><strong>Ans.<\/strong> The Draco constellation represents a dragon and is one of the largest constellations in the northern celestial hemisphere.\u00a0<\/p>\n<p><strong>Q4.<\/strong> What is gravitational lensing?<\/p>\n<p><strong>An<\/strong>s. Gravitational lensing is the bending of light by a massive object, magnifying and distorting the appearance of background celestial bodies.<\/p>\n<p><strong>Q5<\/strong>. Do black holes cause gravitational lensing?<\/p>\n<p><strong>Ans.<\/strong> Yes, black holes can act as gravitational lenses, bending and magnifying light from objects behind them due to their immense gravity.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-sci-tech\/einstein-ring-9832360\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a> | <a href=\"https:\/\/www.esa.int\/Science_Exploration\/Space_Science\/Euclid\/Euclid_discovers_a_stunning_Einstein_ring\" target=\"_blank\" rel=\"nofollow noopener\">ESA<\/a> | <a href=\"https:\/\/www.digit.in\/features\/science\/einstein-rings-and-the-cosmic-lens-how-ngc-6505-is-reshaping-our-understanding-of-gravity.html\" target=\"_blank\" rel=\"nofollow noopener\">Digit<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s Euclid telescope has discovered a rare Einstein ring around NGC 6505, unlocking new insights into dark matter and gravitational lensing.<\/p>\n","protected":false},"author":5,"featured_media":44922,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":{"0":"post-44921","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-mains-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/44921","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=44921"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/44921\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/44922"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=44921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=44921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=44921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}