{"id":628824,"date":"2026-01-19T08:23:18","date_gmt":"2026-01-19T07:23:18","guid":{"rendered":"https:\/\/cronologia-universale.it\/2009-4\/"},"modified":"2026-01-19T08:23:18","modified_gmt":"2026-01-19T07:23:18","slug":"october-20-2003","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/october-20-2003\/","title":{"rendered":"October 20, 2003"},"content":{"rendered":"<p>J. Richard Gott III and Mario Juri\u0107 of Princeton University, using data from the Sloan Digital Sky Survey, announce the discovery of the Sloan Great Wall, the largest structure in the known universe. It is a gigantic wall of galaxies (superclusters) 1.37 billion light-years long, about 1 billion light-years away. This is about three times the size of the Great Wall.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J. Richard Gott III and Mario Juri\u0107 of Princeton University, using data from the Sloan&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-628824","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>October 20, 2003 - Cronologia Universale<\/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:\/\/cronologia-universale.it\/en\/october-20-2003\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"October 20, 2003 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"J. 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