{"id":12222,"date":"2023-08-09T13:28:34","date_gmt":"2023-08-09T07:58:34","guid":{"rendered":"https:\/\/polscienceweb.com\/?post_type=portfolio&#038;p=12222"},"modified":"2023-08-09T13:29:36","modified_gmt":"2023-08-09T07:59:36","slug":"astronomers-have-discovered-a-rare-example-of-an-einstein-cross","status":"publish","type":"portfolio","link":"https:\/\/polscienceweb.com\/index.php\/portfolio\/astronomers-have-discovered-a-rare-example-of-an-einstein-cross\/","title":{"rendered":"Astronomers have discovered a rare example of an \u201cEinstein cross\u201d"},"content":{"rendered":"\n<h4 class=\"wp-block-heading has-text-align-center\"><strong>What is \u201cEinstein cross\u201d?<\/strong><\/h4>\n\n\n<div class=\"has-text-align-center wp-block-post-date\"><time datetime=\"2023-08-09T13:28:34+05:30\">9th August 2023<\/time><\/div>\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Scientists have discovered a rare example of an \u201cEinstein cross,\u201d which is something that Albert Einstein predicted back in 1915.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Imagine you&#8217;re watching a superhero movie, and the hero has a crystal that can make copies of themselves. Well, in space, there&#8217;s a similar thing happening with stars, and it&#8217;s called an &#8220;Einstein cross.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>A long time ago, Albert Einstein said that huge objects in space, like stars and planets, can bend and twist light around them. It&#8217;s like how a magnifying glass can bend sunlight. Imagine you&#8217;re looking at a tiny bug, and the magnifying glass makes it look much bigger \u2013 that&#8217;s what happens with light in space!<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Now, sometimes, there&#8217;s a special situation where a super bright star is in front of another star that&#8217;s not so bright. The bright star&#8217;s strong gravity acts like that magnifying glass, bending the light from the dimmer star and making it look like there are copies of it in different places.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-1024x512.jpg\" alt=\"Einstein cross\" class=\"wp-image-12221\" srcset=\"https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-1024x512.jpg 1024w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-300x150.jpg 300w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-768x384.jpg 768w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-1170x585.jpg 1170w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-585x293.jpg 585w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design-150x75.jpg 150w, https:\/\/polscienceweb.com\/wp-content\/uploads\/2023\/08\/Untitled-design.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>So, when astronomers say they&#8217;ve found an Einstein cross, it&#8217;s like they&#8217;ve caught a real-life magic trick that Einstein talked about a long time ago. It&#8217;s as if the universe is showing off by making stars look like they&#8217;re in more than one place at the same time!<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>And this trick where light gets bent by a star&#8217;s magic? It&#8217;s called <strong>gravitational lensing. <\/strong>It&#8217;s like nature&#8217;s way of playing with light and making space art. One super interesting result of this bending of light is <strong>magnification<\/strong>. This means we can actually see things that are really far away and not very bright because the bending makes them look bigger and brighter than they actually are. It&#8217;s like using a space telescope to peek at hidden cosmic treasures that would be too far and dim to spot otherwise!<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n><strong>Einstein&#8217;s idea of general relativity <\/strong>helps us understand how really heavy things can bend the fabric of space and time. In this case, a big galaxy in the front curved the light from a super bright star behind it, making the star&#8217;s light look like a cross thanks to the strong pull of gravity.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Einstein Cross is a specific case of Gravitational Lensing. Another case of gravitational lensing is Einstein Rings. These rings happen when two galaxies line up almost perfectly, with one galaxy behind the other. It&#8217;s like a cosmic optical illusion created by the universe itself.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n><strong>Why are these so rare?&nbsp;<\/strong> Imagine trying to hit the bullseye on a target with your eyes closed \u2013 it&#8217;s not easy! Similarly, for these events to occur, the distant star or galaxy, the foreground object with strong gravity, and our viewing angle all need to be perfectly aligned.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n><strong>Now let&#8217;s break down those fascinating statistics and their meaning!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Imagine you&#8217;re looking through a time telescope that can see really far away. The latest Einstein Cross is like a special window into the past. The big star that&#8217;s doing the light-bending magic is actually a galaxy, and it&#8217;s about 5.998 billion light-years from us.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>Now, the distant galaxy that&#8217;s being magnified is way, way out there \u2013 more than 11.179 billion light-years away! That means the light we&#8217;re seeing from it has been traveling for more than 11 billion years to reach us. It&#8217;s like a cosmic postcard from a galaxy that existed when the universe was quite young.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>So, what&#8217;s the cool part? The foreground galaxy that&#8217;s doing the lensing is actually giving us a front-row seat to what that distant galaxy looked like when the universe was still in its early stages. It&#8217;s like peering into a time capsule, getting a sneak peek at galaxies from billions of years ago.<\/p>\n\n\n\n<p class=\"wp-block-verse\" style=\"font-size: 18.5px; text-align: justify;\"\n>In a nutshell, <strong>this Einstein Cross is like a time machine<\/strong>, showing us a distant galaxy from way back when. It&#8217;s an incredible way for astronomers to learn about the history of the universe and how galaxies have evolved over billions of years.<\/p>\n\n\n\n<div style=\"height:38px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.livescience.com\/physics-mathematics\/gravity\/rare-einstein-cross-warps-light-from-one-of-the-universes-brightest-objects-in-this-stunning-image\" target=\"_blank\" rel=\"noreferrer noopener\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is \u201cEinstein cross\u201d? Scientists have discovered a rare example of an \u201cEinstein cross,\u201d which&hellip;<\/p>\n","protected":false},"author":1,"featured_media":12220,"comment_status":"closed","ping_status":"closed","template":"","portfolio-category":[452,483,426],"class_list":["post-12222","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio-category-452","portfolio-category-july-2023","portfolio-category-newsfeed"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Astronomers have discovered a rare example of an \u201cEinstein cross\u201d<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/polscienceweb.com\/index.php\/portfolio\/astronomers-have-discovered-a-rare-example-of-an-einstein-cross\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Astronomers have discovered a rare example of an \u201cEinstein cross\u201d\" \/>\n<meta property=\"og:description\" content=\"What is \u201cEinstein cross\u201d? 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