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

On Aug. 27, 1962, NASA launched Mariner 2, the world's first successful interplanetary spacecraft. Space History Archives👉 https://space-com.visitlink.me/qOOKk2 Mariner 2 flew by Venus after a 3½-month voyage through space. The mission launched just one month after the Mariner 1 mission failed during launch. After departing from Cape Canaveral, Mariner 2 almost met the same fate when an electrical problem with the Atlas-Agena rocket caused it to start rolling, which made it unable to respond to