{"id":161324,"date":"2023-03-30T16:23:28","date_gmt":"2023-03-30T21:23:28","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/03\/how-an-ancient-polymath-first-calculated-earths-size-as-told-by-carl-sagan"},"modified":"2023-03-30T16:23:28","modified_gmt":"2023-03-30T21:23:28","slug":"how-an-ancient-polymath-first-calculated-earths-size-as-told-by-carl-sagan","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/03\/how-an-ancient-polymath-first-calculated-earths-size-as-told-by-carl-sagan","title":{"rendered":"How an ancient polymath first calculated Earth\u2019s size, as told by Carl Sagan"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/how-an-ancient-polymath-first-calculated-earths-size-as-told-by-carl-sagan2.jpg\"><\/a><\/p>\n<p>Carl Sagan explores the life and legacy of the ancient Greek polymath Eratosthenes, who, in the 3rd century BCE, not only understood Earth to be spherical, but was able to calculate its circumference with remarkable accuracy. In detailing Eratosthenes\u2019 ingenious methods, Sagan provides a fascinating science history lesson that doubles as a tribute to the remarkable ingenuity of ancient thinkers, who were able to uncover extraordinary truths with the simplest of tools.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Carl Sagan explores the life and legacy of the ancient Greek polymath Eratosthenes, who, in the 3rd century BCE, not only understood Earth to be spherical, but was able to calculate its circumference with remarkable accuracy. In detailing Eratosthenes\u2019 ingenious methods, Sagan provides a fascinating science history lesson that doubles as a tribute to the [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-161324","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/161324","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=161324"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/161324\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=161324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=161324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=161324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}