{"id":657878,"date":"2025-03-19T20:05:10","date_gmt":"2025-03-19T17:05:10","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/"},"modified":"2025-03-19T20:05:10","modified_gmt":"2025-03-19T17:05:10","slug":"euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/","title":{"rendered":"#Euclid space telescope captures &#8216;extremely rare&#8217; double gravitational lenses"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a28276d31173\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a28276d31173\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/#The_Euclid_map_of_the_stars\" >The Euclid map of the stars<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/buradabiliyorum.com\/en\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/#Finding_double_gravitational_lenses\" >Finding double gravitational lenses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/buradabiliyorum.com\/en\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/#Euclids_AI-powered_galaxy_finder\" >Euclid\u2019s AI-powered galaxy finder<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/buradabiliyorum.com\/en\/euclid-space-telescope-captures-extremely-rare-double-gravitational-lenses\/#The_dark_universe_explorer\" >The dark universe explorer<\/a><\/li><\/ul><\/nav><\/div>\n<div id=\"article-main-content\">\n<p><span style=\"font-weight: 400;\">The European Space Agency has released the first major batch of data from its \u201cdark universe\u201d telescope Euclid. What\u2019s inside could change our understanding of dark matter and the expansion of the universe.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The data comprises just one week\u2019s worth of deep field images from three points in space. <\/span>They make up just 0.4% of the vast area Euclid will capture, which scientists say will be the largest 3D map of the sky ever created.<\/p>\n<p><span style=\"font-weight: 400;\">W<\/span><span style=\"font-weight: 400;\">ith one scan of each region so far, <\/span><span style=\"font-weight: 400;\">Euclid<\/span><span style=\"font-weight: 400;\"> has already spotted 26 million galaxies, each potentially containing millions of stars and billions of planets. The furthest of these galaxies are 10.5 billion light years away from Earth, meaning the images you see are almost as old as the universe itself.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Euclid_map_of_the_stars\"><\/span>The Euclid map of the stars<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"post-image post-mediaBleed aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412686 js-lazy\" alt=\"The NGC6543 galaxy\" width=\"1640\" height=\"1649\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/euclid-NGC6543-galaxy.jpg\"\/><figcaption>The Cat\u2019s Eye Nebula, one of the most complex planetary nebulae ever seen in space, as captured by Euclid. Credit: ESA<\/figcaption><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412686\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/euclid-NGC6543-galaxy.jpg\" alt=\"The NGC6543 galaxy\" width=\"1640\" height=\"1649\" srcset=\"\"\/><\/figure>\n<p><span style=\"font-weight: 400;\">Hiding amongst all those millions of galaxies are rare phenomena called gravitational lenses or \u201cEinstein rings,\u201d named as such because they prove Albert Einstein\u2019s prediction that gravity warps spacetime, causing light to bend as it <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/trip-and-travel\/\" data-internallinksmanager029f6b8e52c=\"10\" title=\"Trip &amp; Travel\" target=\"_blank\" rel=\"noopener\">travel<\/a>s through. Gravitational lensing occurs when a massive object, like a galaxy or black hole, bends the light from a galaxy behind it \u2014 forming visible distortions or arcs around the galaxy\u2019s nucleus.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this new batch of data, Euclid has more than doubled the number of gravitational lenses that have been captured from space. ESA estimates that Euclid<\/span><span style=\"font-weight: 400;\"> will capture 100,000 strong gravitational lenses by the end of its six-year mission, around 100 times more than currently known. <\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<div class=\"inarticle-wrapper channel-cta\">\n<div class=\"ica-text\">\n<p class=\"ica-text__title\">TNW Conference &#8211; The 2025 Agenda has just touched down<\/p>\n<p>Discover the insightful and dare we say controversial sessions that will take place June 19-20.<\/p>\n<\/div>\n<\/div>\n<p><span style=\"font-weight: 400;\">Today\u2019s data has also revealed an even rarer phenomenon: double gravitational lensing, also called double source plane lensing. This h<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>ens when light from two distant galaxies passes through the same galaxy, causing a double lensing effect.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Finding_double_gravitational_lenses\"><\/span>Finding double gravitational lenses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"post-image post-mediaBleed aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412688 js-lazy\" alt=\"A collage of gravitational lenses from Euclid's first major data drop, released today. \" width=\"1640\" height=\"923\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EuclidStrongLenses.4K.jpg\"\/><figcaption>A collage of gravitational lenses from Euclid\u2019s first major data drop, released today. Credit: ESA<\/figcaption><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412688\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EuclidStrongLenses.4K.jpg\" alt=\"A collage of gravitational lenses from Euclid's first major data drop, released today. \" width=\"1640\" height=\"923\" srcset=\"\"\/><\/figure>\n<p><span style=\"font-weight: 400;\">Look at the image above and go to the fourth column, third from the bottom. The image is faint but you can make out two outer arcs and then two inner arcs close to the centre of the galaxy nucleus. That\u2019s a double gravitational lens.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Double gravitational lensing could help scientists better understand dark energy and the expansion of the universe, because, in theory, an expanding universe will determine the angle of the arcs.\u00a0<\/span><\/p>\n<p>\u201cDouble-source plane lenses are extremely rare \u2014 only a few have ever been found,\u201d said Euclid Consortium scientist Mike Walmsley at a press briefing. \u201cBut we think we\u2019ve found four good candidates already from just a week\u2019s worth of data covering a fraction of the night sky. We\u2019re confident that Euclid will quickly capture enough of them to allow scientists to start measuring their effects.\u201d<\/p>\n<p><span style=\"font-weight: 400;\">To find such rare phenomena hiding amidst Euclid\u2019s images, the European Space Agency (ESA) enlisted the help of thousands of volunteers \u2014 and AI algorithms.\u00a0\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Euclids_AI-powered_galaxy_finder\"><\/span>Euclid\u2019s AI-powered galaxy finder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Launched in 2023, Euclid has <\/span><span style=\"font-weight: 400;\">observed about 14% of its total survey area so far. By the time its mission is complete, the telescope is expected to capture images of more than 1.5 billion galaxies, sending back around 100GB of data every day.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These images provide scientists with unprecedented opportunities \u2014 and huge problems when it comes to finding, categorising, and analysing all the objects within them.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To speed up the process, the Euclid consortium has developed an AI-powered galaxy spotter \u2014\u00a0called \u201cZoobot.\u201d The algorithm was trained on decades\u2019 worth of citizen <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/sciencee\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"Science\" target=\"_blank\" rel=\"noopener\">science<\/a> work, from volunteers who scan through images and identify each object.\u00a0<\/span><\/p>\n<figure class=\"post-image post-mediaBleed aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412699 js-lazy\" alt=\"A collage of galaxies identified by AI and citizen scientists\" width=\"1640\" height=\"923\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EuclidGalaxyMorphology.Collage.4K.V3-1.jpg\"\/><figcaption>A collage of galaxies identified by AI and citizen scientists. Credit: ESA<\/figcaption><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412699\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EuclidGalaxyMorphology.Collage.4K.V3-1.jpg\" alt=\"A collage of galaxies identified by AI and citizen scientists\" width=\"1640\" height=\"923\" srcset=\"\"\/><\/figure>\n<p><span style=\"font-weight: 400;\">From today\u2019s data drop, Zoobot put together a detailed catalogue of 360,000 galaxies. Thousands<\/span><span style=\"font-weight: 400;\">\u00a0of volunteers from the <\/span><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.euclid-ec.org\/space-warps-euclid\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Space Warps<\/span><\/a><span style=\"font-weight: 400;\"> citizen science project then sorted through the most promising candidates. That\u2019s how the gravitational lenses were identified.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWe\u2019re at a pivotal moment in terms of how we tackle large-scale surveys in astronomy.\u00a0AI is a fundamental and necessary part of our process in order to fully exploit <\/span><span style=\"font-weight: 400;\">Euclid<\/span><span style=\"font-weight: 400;\">\u2019s vast dataset,\u201d said Walmsley, who has worked on astronomical deep learning algorithms for the last decade.<\/span><\/p>\n<figure class=\"post-image post-mediaBleed aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412687 js-lazy\" alt=\"Deep field south, a never before captured deep field.\" width=\"1640\" height=\"1829\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EDFS-MosaicR2-GAL-22K24K.At4K.jpg\"\/><figcaption>A collage of Euclid Deep Field South, a portion of the night sky never previously captured in such detail. Credit: ESA<span style=\"font-size: 16px;\"\/><\/figcaption><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1412687\" src=\"https:\/\/cdn0.tnwcdn.com\/wp-content\/blogs.dir\/1\/files\/2025\/03\/EWS-Q1-EDFS-MosaicR2-GAL-22K24K.At4K.jpg\" alt=\"Deep field south, a never before captured deep field.\" width=\"1640\" height=\"1829\" srcset=\"\"\/><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"The_dark_universe_explorer\"><\/span>The dark universe explorer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Euclid <\/span><span style=\"font-weight: 400;\">launched on a SpaceX Falcon 9 rocket<\/span> <span style=\"font-weight: 400;\">from Cape Canaveral in Florida on 1 July, 2023. It returned its <\/span><span style=\"font-weight: 400;\">first images<\/span><span style=\"font-weight: 400;\"> in August of that year, and in May last year released its <\/span><span style=\"font-weight: 400;\">first scientific data<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Euclid\u2019s mission is to shed light on two of the universe\u2019s most perplexing mysteries: dark energy and dark matter \u2014, thought to make up 95% of the cosmos. Scientists theorise that dark energy is responsible for accelerating the universe\u2019s expansion and that dark matter acts as cosmic glue that holds the galaxies together. Yet the nature of these components is still unknown.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To build its 3D map of the night sky, the telescope is deploying two high-tech cameras: VIS, which captures the cosmos in visible light, and NISP, which measures the distances to galaxies and the expansion speed of the universe.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Euclid is set to provide us with an unprecedented chronology of the history of the cosmos and help us unravel the mysteries of the universe \u2013 and our own existence.<\/span><\/p>\n<p><em><span style=\"font-weight: 400;\">The three deep field previews can now be explored in the <\/span><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/315157966b744091b431016c8a8048a6.svc.dynamics.com\/t\/t\/AbQAFXXd8wb6NmQOilKTZnEHSnKYalq6AfkZVePnAskx\/dFFZKJ4BJxaUJh8EKu3xXqJxzqx3cCGS8MgAKSsMMQ4x\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">ESASky<\/span><\/a><span style=\"font-weight: 400;\">\u00a0<span style=\"color: #000000;\">app.<\/span><\/span><span style=\"font-weight: 400;\">\u00a0Euclid Deep Field South <\/span><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/315157966b744091b431016c8a8048a6.svc.dynamics.com\/t\/t\/GrfvgCX2YbokBOPDjpZSXrrOEaxMyT3Tlh9IxbDI7B4x\/dFFZKJ4BJxaUJh8EKu3xXqJxzqx3cCGS8MgAKSsMMQ4x\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">her<\/span><\/a><span style=\"font-weight: 400;\">e, Euclid Deep Field Fornax <\/span><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/315157966b744091b431016c8a8048a6.svc.dynamics.com\/t\/t\/00yoxXzNZVGsFlDFVGDbjztgkgKOoclPihdRubx1xWAx\/dFFZKJ4BJxaUJh8EKu3xXqJxzqx3cCGS8MgAKSsMMQ4x\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\">, Euclid Deep Field North <\/span><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/315157966b744091b431016c8a8048a6.svc.dynamics.com\/t\/t\/P60ZHxZ8EKmMTq6XzdCrxOh6lB7G1DQO2vRKsXMrQX8x\/dFFZKJ4BJxaUJh8EKu3xXqJxzqx3cCGS8MgAKSsMMQ4x\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<\/p><\/div>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMN63nwsw68G3Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more like this article, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/en.buradabiliyorum.com\/category\/technology\/\" target=\"_blank\" >Technology category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/thenextweb.com\/news\/esa-euclid-double-gravitational-lens-dark-matter-universe\" target=\"_blank\" >Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The European Space Agency has released the first major batch of data from its \u201cdark universe\u201d telescope Euclid. What\u2019s inside could change our understanding of dark matter and the expansion of the universe. The data comprises just one week\u2019s worth of deep field images from three points in space. They make up just 0.4% of&#8230;<\/p>\n","protected":false},"author":1,"featured_media":657879,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img-cdn.tnwcdn.com\/image\/tnw-blurple?filter_last=1&fit=1280%2C640&url=https%3A%2F%2Fcdn0.tnwcdn.com%2Fwp-content%2Fblogs.dir%2F1%2Ffiles%2F2025%2F03%2FUntitled-design-41.jpg&signature=17d26b1a0d3e4566e76d55f716f32681","fifu_image_alt":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-657878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/657878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=657878"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/657878\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/657879"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=657878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=657878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=657878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}