{"version":"1.0","provider_name":"Cosmic-Watch","provider_url":"https:\/\/cosmic-watch.com\/cosmicbeta","author_name":"andrea","author_url":"https:\/\/cosmic-watch.com\/cosmicbeta\/author\/andrea\/","title":"History of astronomical instruments &#8211; Cosmic-Watch","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"lz9a9GGztx\"><a href=\"https:\/\/cosmic-watch.com\/cosmicbeta\/history-of-astronomical-instruments\/\">History of astronomical instruments<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/cosmic-watch.com\/cosmicbeta\/history-of-astronomical-instruments\/embed\/#?secret=lz9a9GGztx\" width=\"600\" height=\"338\" title=\"&#8220;History of astronomical instruments&#8221; &#8212; Cosmic-Watch\" data-secret=\"lz9a9GGztx\" 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\/\/# sourceURL=https:\/\/cosmic-watch.com\/cosmicbeta\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/cosmic-watch.com\/cosmicbeta\/wp-content\/uploads\/2015\/06\/Cosmic-Watch.history-copia.jpg","thumbnail_width":1000,"thumbnail_height":753,"description":"Keeping an eye on the heavens helps to keep track of time and events on the Earth. All the calendars and astronomical instruments rely on the sun and the moon, the two most important astronomical bodies for us on planet earth.. Astronomy also plays an essential role in the organization of societies in general. Understanding [&hellip;]"}