1.0iSeekhttps://iseek.online/en/rich600338<blockquote class="wp-embedded-content" data-secret="fVxUwfWh2w"><a href="https://iseek.online/en/book-chapter/sun-center-not-earth/">The sun is center, not the Earth</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://iseek.online/en/book-chapter/sun-center-not-earth/embed/#?secret=fVxUwfWh2w" width="600" height="338" title="“The sun is center, not the Earth” — iSeek" data-secret="fVxUwfWh2w" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://iseek.online/wp-includes/js/wp-embed.min.js </script> Then comes the era of sun- worshiping, Copernicus was a heliolater; he said sun is the center not the earth. This thing was said earlier but he presented his case more emphatically and changed the map of astronomy. Then, the era of Isaac Newton dawned. He said mechanism and the force of gravitation are the […]