{"id":143065,"date":"2022-07-28T23:23:34","date_gmt":"2022-07-29T04:23:34","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/07\/ancient-rocks-hold-clues-to-how-earth-avoided-a-mars-like-fate"},"modified":"2022-07-28T23:23:34","modified_gmt":"2022-07-29T04:23:34","slug":"ancient-rocks-hold-clues-to-how-earth-avoided-a-mars-like-fate","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/07\/ancient-rocks-hold-clues-to-how-earth-avoided-a-mars-like-fate","title":{"rendered":"Ancient Rocks Hold Clues to How Earth Avoided a Mars-Like Fate"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/ancient-rocks-hold-clues-to-how-earth-avoided-a-mars-like-fate3.jpg\"><\/a><\/p>\n<p><strong>New paleomagnetic research suggests Earth\u2019s solid inner core formed 550 million years ago and restored our planet\u2019s magnetic field.<\/strong><\/p>\n<p>Swirling liquid iron in the Earth\u2019s outer core, located approximately 1,800 miles beneath our feet, generates our planet\u2019s protective magnetic field, called the <a href=https:\/\/scitechdaily.com\/earths-magnetosphere-protecting-our-planet-from-harmful-space-radiation\/>magnetosphere<\/a>. Although this magnetic field is invisible, it is vital for life on Earth\u2019s surface. That\u2019s because the magnetosphere shields the planet from solar wind\u2014streams of radiation from the sun.<\/p>\n<p>However, about 565 million years ago, the magnetic field\u2019s strength dropped to 10 percent of its strength today. Then, mysteriously, the magnetic field bounced back, regaining its strength just before the Cambrian explosion of multicellular life on Earth.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New paleomagnetic research suggests Earth\u2019s solid inner core formed 550 million years ago and restored our planet\u2019s magnetic field. Swirling liquid iron in the Earth\u2019s outer core, located approximately 1,800 miles beneath our feet, generates our planet\u2019s protective magnetic field, called the magnetosphere. Although this magnetic field is invisible, it is vital for life on [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-143065","post","type-post","status-publish","format-standard","hentry","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/143065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=143065"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/143065\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=143065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=143065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=143065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}