1.0Cosmic-Watchhttps://cosmic-watch.com/cosmicbetaEduhttps://cosmic-watch.com/cosmicbeta/author/eduardo/Galactic celestial sphere – Cosmic-Watchrich600338<blockquote class="wp-embedded-content" data-secret="SdzDnTk9sd"><a href="https://cosmic-watch.com/cosmicbeta/galactic-celestial-sphere/">Galactic celestial sphere</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://cosmic-watch.com/cosmicbeta/galactic-celestial-sphere/embed/#?secret=SdzDnTk9sd" width="600" height="338" title="“Galactic celestial sphere” — Cosmic-Watch" data-secret="SdzDnTk9sd" 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://cosmic-watch.com/cosmicbeta/wp-includes/js/wp-embed.min.js
</script>
https://cosmic-watch.com/cosmicbeta/wp-content/uploads/2015/05/Cosmic-Watch.celestial-sphere.jpg12001200This is how we see the entire sky from the earth, projected to a sphere. This concept has been used for thousands of years since the stars are so far away that they seem to be fixed on an imaginary sphere. This image is oriented with the galactic plane (the Milky Way) horizontal. Concept inspiration […]