美国航天局拍摄了星际彗星3I/阿特拉斯的图像,这是观察到的第三颗此类彗星,该彗星在接近火星时飞过并飞回深空。 NASA captures images of interstellar comet 3I/Atlas, the third such comet observed, as it passes near Mars and heads back into deep space.

美国航天局发布了3I/Atlas的近距离图像,这是2025年夏天发现的第三颗经确认的星际彗星。 NASA has released close-up images of 3I/Atlas, the third confirmed interstellar comet, discovered in summer 2025. 11月,它从火星经过1800万英里,12月中旬将到达地球1.67亿英里。 Roughly 1,400 feet to 3.5 miles wide, it passed 18 million miles from Mars in November and will reach 167 million miles from Earth in mid-December. 在航天器和地面望远镜的观察下,3I/Atlas对太阳系以外的材料提供了罕见的洞察力。 Observed by spacecraft and ground telescopes, 3I/Atlas offers rare insights into material from beyond our solar system.