{"id":1340,"date":"2019-06-25T08:07:46","date_gmt":"2019-06-25T08:07:46","guid":{"rendered":"http:\/\/meumon.synology.me\/museu\/?p=1340"},"modified":"2023-08-04T12:04:57","modified_gmt":"2023-08-04T12:04:57","slug":"la-forma-i-mida-de-la-terra-eratostenes","status":"publish","type":"post","link":"http:\/\/meumon.synology.me\/museu\/la-forma-i-mida-de-la-terra-eratostenes\/","title":{"rendered":"La forma i mida de la terra. Erat\u00f2stenes"},"content":{"rendered":"<p>La forma de la terra: (EB) Pit\u00e0gores i Hiparc creien que la terra era rodona per analogia amb la lluna i el sol. El segle 3 BC Erat\u00f2stenes observ\u00e0 que al solstici d\u2019estiu a les dotze, a Syene (actualment Assuan), el sol queia perpendicular mentre que a Alexandria formava un angle de 1\/50, i estimant pel temps a arribar-hi en camell en uns 5000 estadis la dist\u00e0ncia entre les dues ciutats, tenim 50\u00d75000, 250.000 estadis que amb uns 185 m per estadi d\u00f3na uns 46.000 km, que aproxima prou b\u00e9 els 40.000 reals.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-large\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/1f\/Eratosthenes_measure_of_Earth_circumference.svg\/1280px-Eratosthenes_measure_of_Earth_circumference.svg.png\" width=\"1280\" height=\"853\" \/><\/p>\n<hr \/>\n<p>1519-1522 Magallanes d\u00f3na la volta al m\u00f3n<\/p>\n<hr \/>\n<p>1670 1800 <a href=\"http:\/\/meumon.synology.me\/museu\/geodesia\/\">Geod\u00e8sia<\/a>, mesures d&#8217;arc de meridi\u00e0 que estableixen que la terra \u00e9s un elipsoide<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La forma de la terra: (EB) Pit\u00e0gores i Hiparc creien que la terra era rodona per analogia amb la lluna i el sol. El segle 3 BC Erat\u00f2stenes observ\u00e0 que al solstici d\u2019estiu a les dotze, a Syene (actualment Assuan), el sol queia perpendicular mentre que a Alexandria formava un angle de 1\/50, i estimant &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/meumon.synology.me\/museu\/la-forma-i-mida-de-la-terra-eratostenes\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;La forma i mida de la terra. Erat\u00f2stenes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[601],"tags":[330],"anotacio":[],"civilitzacio":[],"spec":[],"aspecies":[],"Tema poesia":[],"_links":{"self":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/1340"}],"collection":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/comments?post=1340"}],"version-history":[{"count":0,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/posts\/1340\/revisions"}],"wp:attachment":[{"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/media?parent=1340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/categories?post=1340"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/tags?post=1340"},{"taxonomy":"anotacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/anotacio?post=1340"},{"taxonomy":"civilitzacio","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/civilitzacio?post=1340"},{"taxonomy":"spec","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/spec?post=1340"},{"taxonomy":"aspecies","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/aspecies?post=1340"},{"taxonomy":"Tema poesia","embeddable":true,"href":"http:\/\/meumon.synology.me\/museu\/wp-json\/wp\/v2\/Tema poesia?post=1340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}