1.0Joseph's Science Pagehttps://www.josephcaruana.co.uk/sciencejosephcaruanahttps://www.josephcaruana.co.uk/science/author/josephcaruana/Talk: 'A Journey back in Time' - Joseph's Science Pagerich600338<blockquote class="wp-embedded-content" data-secret="XFyjT92Xyv"><a href="https://www.josephcaruana.co.uk/science/2014/08/06/talk-a-journey-back-in-time/">Talk: ‘A Journey back in Time’</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.josephcaruana.co.uk/science/2014/08/06/talk-a-journey-back-in-time/embed/#?secret=XFyjT92Xyv" width="600" height="338" title="“Talk: ‘A Journey back in Time’” — Joseph's Science Page" data-secret="XFyjT92Xyv" 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);
//# sourceURL=https://www.josephcaruana.co.uk/science/wp-includes/js/wp-embed.min.js
/* ]]> */
</script>
https://www.josephcaruana.co.uk/science/wp-content/uploads/2019/09/10575337_10152192429286135_1071563029429147239_o.jpg1280977Below follow details of an upcoming talk I will be giving for the general public organised by the Astronomical Society of Malta. The concept of time travel is a staple of many science fiction stories. However, we do indeed have the ability to look back in time whenever we turn our glance towards the skies. Distances to stars and galaxies are so vast that light takes thousands, millions and billions…