The most carbon dioxide-rich comets ever seen 😮☄️ Astronomers have been observing 3I/ATLAS since July, when it was discovered to be zipping towards our solar system with extreme speed. Most observations so far have found that it appears to be a fairly regular comet, though there have been some puzzling features hinting at an exotic origin. Martin Cordiner @NASA Goddard Space Flight Centre in Maryland and his colleagues have now obtained the most detailed observations of the comet yet using the

Comet 'Neowise' was seen in the night sky over Switzerland