{"version":"1.0","provider_name":"LUMINESCIENCES : le blog de Jean-Pierre LUMINET, astrophysicien","provider_url":"https:\/\/blogs.futura-sciences.com\/luminet","author_name":"Jean-Pierre LUMINET","author_url":"https:\/\/blogs.futura-sciences.com\/luminet\/author\/jpluminet\/","title":"La n\u00e9buleuse du Crabe, hier et aujourd'hui, par Jean-Pierre Luminet","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"UoUUSbedPk\"><a href=\"https:\/\/blogs.futura-sciences.com\/luminet\/2015\/10\/12\/la-nebuleuse-du-crabe-hier-et-aujourdhui\/\">La n\u00e9buleuse du Crabe, hier et aujourd&#8217;hui<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.futura-sciences.com\/luminet\/2015\/10\/12\/la-nebuleuse-du-crabe-hier-et-aujourdhui\/embed\/#?secret=UoUUSbedPk\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0La n\u00e9buleuse du Crabe, hier et aujourd&#8217;hui\u00a0\u00bb &#8212; LUMINESCIENCES : le blog de Jean-Pierre LUMINET, astrophysicien\" data-secret=\"UoUUSbedPk\" 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\/luminet\/wp-content\/uploads\/sites\/2\/2015\/10\/CrabNebula-1.jpg","thumbnail_width":926,"thumbnail_height":568,"description":"Une \u00e9toile nouvelle fut observ\u00e9e en 1054 par les astronomes chinois\u00a0: l\u2019astre resta visible de nuit dura deux ann\u00e9es, puis s\u2019\u00e9clipsa. Tout fut oubli\u00e9 jusqu\u2019\u00e0 ce que John Bevis, astronome amateur anglais, d\u00e9couvre en 1731 une n\u00e9buleuse dans la constellation du Taureau. Au titre d\u2019objet diffus, elle fut class\u00e9e en no\u00a01 dans le c\u00e9l\u00e8bre catalogue &hellip; Continuer la lecture de  &rarr;"}