{"id":617147,"date":"2026-01-18T18:26:34","date_gmt":"2026-01-18T17:26:34","guid":{"rendered":"https:\/\/cronologia-universale.it\/february-5-1167\/"},"modified":"2026-01-18T18:26:34","modified_gmt":"2026-01-18T17:26:34","slug":"1128","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1128\/","title":{"rendered":"1128"},"content":{"rendered":"

friar named John of Worcester, while studying the Sun, drew a diagram of the solar surface with two large black spots on it. Two days later, 14,000 km away in Korea, an astronomer described the sky as covered with deep red vapor. They had actually described large sunspots, caused by extremely strong and exceptional solar flares, which trigger aurora borealis even at relatively low latitudes.<\/p>\n","protected":false},"excerpt":{"rendered":"

friar named John of Worcester, while studying the Sun, drew a diagram of the solar…<\/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":[43],"tags":[],"class_list":["post-617147","post","type-post","status-publish","format-standard","hentry","category-vg-en"],"acf":[],"yoast_head":"\n1128 - 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\/1128\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1128 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"friar named John of Worcester, while studying the Sun, drew a diagram of the solar...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cronologia-universale.it\/en\/1128\/\" \/>\n<meta property=\"og:site_name\" content=\"Cronologia Universale\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-18T17:26:34+00:00\" \/>\n<meta name=\"author\" content=\"Rick\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rick\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cronologia-universale.it\/en\/1128\/\",\"url\":\"https:\/\/cronologia-universale.it\/en\/1128\/\",\"name\":\"1128 - 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