{"version":"1.0","provider_name":"e-LUMINESCIENCES: the blog of Jean-Pierre Luminet","provider_url":"https:\/\/blogs.futura-sciences.com\/e-luminet","author_name":"Jean-Pierre LUMINET","author_url":"https:\/\/blogs.futura-sciences.com\/e-luminet\/author\/jpluminet\/","title":"Geometry and the Cosmos (1) : Kepler, from polyhedra to ellipses, by Jean-Pierre Luminet","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"79GchJLVfl\"><a href=\"https:\/\/blogs.futura-sciences.com\/e-luminet\/2018\/02\/09\/geometry-cosmos-1-kepler-polyhedra-ellipses\/\">Geometry and the Cosmos (1) : Kepler, from polyhedra to ellipses<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/e-luminet\/2018\/02\/09\/geometry-cosmos-1-kepler-polyhedra-ellipses\/embed\/#?secret=79GchJLVfl\" width=\"600\" height=\"338\" title=\"&#8220;Geometry and the Cosmos (1) : Kepler, from polyhedra to ellipses&#8221; &#8212; e-LUMINESCIENCES: the blog of Jean-Pierre Luminet\" data-secret=\"79GchJLVfl\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/blogs.futura-sciences.com\/e-luminet\/wp-content\/uploads\/sites\/11\/2018\/02\/Kepler-couleur.jpg","thumbnail_width":768,"thumbnail_height":576,"description":"Introduction The regularity of so much celestial activity has led many cultures to base their models of the universe on concepts of order and harmony. Around the Mediterranean it was the Pythagoreans who first expressed the idea that the universe is characterised by proportion, rhythm and numerical patterns. Plato&#8217;s hypothesis was of an organised cosmos &hellip; Continue reading &rarr;"}