MozLife

Space – Time capsule galaxy

Astronomers have discovered a galaxy that seems to have stayed relatively unchanged since forming shortly after the big bang. Studying this time capsule will help us understand cosmic conditions in the deep past, and learn how the earliest galaxies formed stars.

(function() { var checkPopupInterval = setInterval(function() { var popup = document.querySelector('.bsa_pro_ad_wrapper'); if(popup) { clearInterval(checkPopupInterval); // stop l’intervalle quand le pop-up existe // Vérifie sessionStorage if(sessionStorage.getItem('popup_seen')) { popup.style.display = 'none'; // cache si déjà vu } else { sessionStorage.setItem('popup_seen', 'true'); // Styles responsive popup.style.width = '500px'; popup.style.height = '500px'; popup.style.maxWidth = '90%'; popup.style.maxHeight = '90%'; popup.style.margin = '0 auto'; popup.style.boxSizing = 'border-box'; popup.style.position = 'fixed'; popup.style.top = '50%'; popup.style.left = '50%'; popup.style.transform = 'translate(-50%, -50%)'; popup.style.backgroundColor = '#fff'; popup.style.zIndex = '9999'; popup.style.opacity = '0'; popup.style.transition = 'opacity 0.5s ease'; // Overlay var overlay = document.createElement('div'); overlay.style.position = 'fixed'; overlay.style.top = '0'; overlay.style.left = '0'; overlay.style.width = '100%'; overlay.style.height = '100%'; overlay.style.backgroundColor = 'rgba(0,0,0,0.7)'; overlay.style.zIndex = '9998'; overlay.style.opacity = '0'; overlay.style.transition = 'opacity 0.5s ease'; document.body.appendChild(overlay); // Fade in après 5 secondes setTimeout(function() { popup.style.opacity = '1'; overlay.style.opacity = '1'; }, 5000); // Close button var closeBtn = document.createElement('button'); closeBtn.innerHTML = '×'; closeBtn.style.position = 'absolute'; closeBtn.style.top = '10px'; closeBtn.style.right = '10px'; closeBtn.style.background = 'transparent'; closeBtn.style.border = 'none'; closeBtn.style.fontSize = '24px'; closeBtn.style.cursor = 'pointer'; popup.appendChild(closeBtn); closeBtn.addEventListener('click', function() { popup.style.display = 'none'; overlay.style.display = 'none'; }); // Responsive dynamique function resizePopup() { if (window.innerWidth < 769) { popup.style.width = '90%'; popup.style.height = 'auto'; } else { popup.style.width = '500px'; popup.style.height = '500px'; } } resizePopup(); window.addEventListener('resize', resizePopup); } } }, 200); // vérifie toutes les 200ms })();