{"id":326644,"date":"2025-02-13T16:21:05","date_gmt":"2025-02-13T10:51:05","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=326644"},"modified":"2025-02-13T16:21:05","modified_gmt":"2025-02-13T10:51:05","slug":"einstein-ring","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/einstein-ring\/","title":{"rendered":"Einstein Ring"},"content":{"rendered":"<p><b>News: <\/b><span style=\"font-weight: 400;\">The European Space Agency\u2019s (ESA) Euclid space telescope discovered a rare Einstein ring around a galaxy called NGC 6505, located 590 million light-years from Earth. The images were captured in September 2023 and released on February 12, 2025.<\/span><\/p>\n<h2><b>About Einstein Ring<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">An <\/span><b>Einstein ring<\/b><span style=\"font-weight: 400;\"> is a ring-shaped pattern of light formed due to <\/span><b>gravitational lensing<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">It occurs when light from a distant galaxy is bent by the gravitational field of a massive celestial object (such as a galaxy or cluster) in front of it.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The light bends in such a way that it appears as a circular ring around the foreground object.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Einstein rings are extremely rare<\/b><span style=\"font-weight: 400;\">\u2014less than <\/span><b>1% of galaxies<\/b><span style=\"font-weight: 400;\"> produce them. <\/span><b>The first Einstein ring<\/b><span style=\"font-weight: 400;\"> was discovered in <\/span><b>1987<\/b><span style=\"font-weight: 400;\">, and <\/span><b>only a few have been found<\/b><span style=\"font-weight: 400;\"> since then.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">These rings are <\/span><b>not visible to the naked eye<\/b><span style=\"font-weight: 400;\"> and <\/span><b>require powerful space telescopes<\/b><span style=\"font-weight: 400;\"> like <\/span><b>ESA\u2019s Euclid<\/b><span style=\"font-weight: 400;\"> or <\/span><b>NASA\u2019s Hubble<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Significance of Einstein Rings<\/b><\/h2>\n<ul>\n<li><b>Study of Dark Matter<\/b><span style=\"font-weight: 400;\">: <\/span><b>Dark matter<\/b><span style=\"font-weight: 400;\"> is believed to make up <\/span><b>85% of the universe\u2019s matter<\/b><span style=\"font-weight: 400;\">, but it <\/span><b>cannot be directly observed<\/b><span style=\"font-weight: 400;\"> as it <\/span><b>does not emit light. <\/b><span style=\"font-weight: 400;\">Einstein rings help scientists <\/span><b>study dark matter<\/b><span style=\"font-weight: 400;\"> indirectly because <\/span><b>gravitational lensing reveals the gravitational effect<\/b><span style=\"font-weight: 400;\"> of dark matter.<\/span><\/li>\n<li><b>Understanding Distant Galaxies<\/b><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">These rings allow <\/span><b>scientists to observe distant galaxies<\/b><span style=\"font-weight: 400;\"> that would otherwise be too <\/span><b>dim or far to detect. <\/b><span style=\"font-weight: 400;\">The <\/span><b>magnifying effect<\/b><span style=\"font-weight: 400;\"> helps astronomers <\/span><b>study the structure and properties<\/b><span style=\"font-weight: 400;\"> of these galaxies.<\/span><\/li>\n<li><b>Insights into the Expansion of the Universe<\/b><span style=\"font-weight: 400;\">: <\/span><b>Einstein rings help measure cosmic distances<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>rate of expansion of the universe. <\/b><span style=\"font-weight: 400;\">By analyzing <\/span><b>light from distant galaxies<\/b><span style=\"font-weight: 400;\">, scientists <\/span><b>track the stretching of space<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>About<\/b> <b>Gravitational lensing<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><b>Gravitational lensing<\/b><span style=\"font-weight: 400;\"> is a phenomenon where <\/span><b>light from a distant object is bent<\/b><span style=\"font-weight: 400;\"> due to the gravitational pull of a massive object between the source and the observer.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The massive object acts like a \u201clens,\u201d distorting and magnifying the light from the distant galaxy.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">When the alignment is perfect, the light forms a <\/span><b>complete circle<\/b><span style=\"font-weight: 400;\">\u2014an <\/span><b>Einstein ring<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: The European Space Agency\u2019s (ESA) Euclid space telescope discovered a rare Einstein ring around a galaxy called NGC 6505, located 590 million light-years from Earth. The images were captured in September 2023 and released on February 12, 2025. About Einstein Ring An Einstein ring is a ring-shaped pattern of light formed due to gravitational&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/einstein-ring\/\">Continue reading <span class=\"screen-reader-text\">Einstein Ring<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872,10500],"class_list":["post-326644","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","tag-indian-express","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/326644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=326644"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/326644\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=326644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=326644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=326644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}