1.0Toril Johannessenhttps://www.toriljohannessen.no/en/Variable Stars - Toril Johannessenrich600338<blockquote class="wp-embedded-content" data-secret="eR0jSPzQOP"><a href="https://www.toriljohannessen.no/en/works/variable-stars/">Variable Stars</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.toriljohannessen.no/en/works/variable-stars/embed/#?secret=eR0jSPzQOP" width="600" height="338" title="“Variable Stars” — Toril Johannessen" data-secret="eR0jSPzQOP" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! 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);
/* ]]> */
</script>
https://www.toriljohannessen.no/toril/wp-content/uploads/2018/05/1-Variable-stars-OKF.jpg30002000At the beginning of the 20th century the estimated size of the universe increased radically. At that time, an extensive project of photographing and mapping the entire starry sky took place at Harvard College Observatory, Cambridge, MA, where catalogue work and mathematical calculations were carried out by a group of women known as The Harvard […]