【文/观察者网 柳白】 一个"不可能存在"的行星系统，最近被天文学家们发现了。 据美国有线电视新闻网（CNN）2月12日报道，由英国华威大学牵头的全球天文学家团队，通过美国国 家航空航天局（NASA）和欧洲空间局（ESA）的望远镜发现，一个距离地球约116光年以红矮星为中 心的行星系统，可能彻底改写人类对行星形成的现有认知。具体来说，该行星系统的行星排布违背了现 有行星形成理论，与太阳系"内岩外气"的行星排列规律完全相反。不过相关结论仍存在争议，有待更多 观测验证。 "它本不该存在" 据悉，围绕红矮星LHS 1903运行的四行星系排列方式十分奇特：最内侧的行星是岩质行星，接下来的 两颗是气态行星，而出人意料的是，最外侧的行星也是岩质行星。 这种排列方式与银河系中以及我们太阳系里常见的模式相矛盾。在太阳系，岩石行星（水星、金星、地 球、火星）靠近太阳，气态行星（木星、土星、天王星、海王星）则位于外侧。 气态巨行星木星，是太阳系从内向外的第五颗行星。 IC Photo 传统理论认为，这种常见格局的成因是：行星在年轻恒星周围的气体尘埃盘中形成，靠近恒星的区域温 度极高。在内层，水、二氧化碳等易挥发物质会被汽化，只有 ...

Core Findings - A unique exoplanet named PSR J2322-2650b has been discovered by scientists at the University of Chicago using the James Webb Space Telescope, characterized by its lemon-like shape and high carbon content in its atmosphere [1][2] - This exoplanet is located approximately 4000 light-years from Earth and orbits a rapidly rotating pulsar, which is a rare occurrence in the known universe [1] - The atmosphere of PSR J2322-2650b contains significant amounts of carbon molecules (C3, C2) and exhibits extreme conditions that challenge existing theories of planetary formation [1] Atmospheric and Physical Characteristics - The planet's proximity to its host star and the massive size of the pulsar have resulted in its lemon-shaped, oblate form, with a "year" lasting about 7.8 hours and surface temperatures reaching up to 650°C [2] - Unlike most gas giants, the atmospheric wind direction on PSR J2322-2650b is opposite to the planet's rotation [2] - The planet appears deep red with clouds of graphite floating in its atmosphere, earning it the description of "an evil lemon" and marking it as one of the most peculiar exoplanets known to date [2]