1.0The Spacewriter's Ramblingshttps://thespacewriter.com/wprich600338<blockquote class="wp-embedded-content" data-secret="ysv87y0bjf"><a href="https://thespacewriter.com/wp/2013/09/04/heres-a-galactic-mystery-for-you/">Here’s a Galactic Mystery For You</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://thespacewriter.com/wp/2013/09/04/heres-a-galactic-mystery-for-you/embed/#?secret=ysv87y0bjf" width="600" height="338" title="“Here’s a Galactic Mystery For You” — The Spacewriter's Ramblings" data-secret="ysv87y0bjf" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> Why Do Butterfly-shaped Planetary Nebulae Have Bizarre Alignments? You’ve heard of planetary nebulae before, right? Those are the celestial objects that stars like the Sun become as they age and die. As these stars get old, they lose their outer layers to space, creating rings and shells of material that get heated by what’s left … Continue reading →http://thespacewriter.com/wp/wp-content/uploads/eso1338b-300x300.jpg