{"id":615330,"date":"2026-01-18T17:20:41","date_gmt":"2026-01-18T16:20:41","guid":{"rendered":"https:\/\/cronologia-universale.it\/3900000000-bc-2\/"},"modified":"2026-01-18T17:20:41","modified_gmt":"2026-01-18T16:20:41","slug":"4350000000-bc","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/4350000000-bc\/","title":{"rendered":"4,350,000,000 BC"},"content":{"rendered":"<p>4.35 billion years ago, the Moon underwent a remelting event due to the orbital evolution of its orbit. During its passage through the Laplace plane transition, the Moon experienced widespread heating and tidal melting, sufficient to restore the formation ages of most lunar samples, while retaining a previous crystallized form of rare zircons formed earlier. This would explain the diverse lunar samples brought back to Earth by the Apollo missions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>4.35 billion years ago, the Moon underwent a remelting event due to the orbital evolution&#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":[30],"tags":[],"class_list":["post-615330","post","type-post","status-publish","format-standard","hentry","category-b-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>4,350,000,000 BC - 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\/4350000000-bc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4,350,000,000 BC - 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