n.外星球

The discovery of the exoplanet, Kepler-186f, has excited astronomers as it orbits in the habitable zone of its star.
开普勒-186f的发现令天文学家兴奋不已，因为它位于其恒星的宜居带内。
Scientists believe that the exoplanet TOI 700d could potentially support liquid water on its surface, making it an interesting target for further study.
科学家认为，系外行星TOI 700d可能在其表面支持液态水的存在，这使其成为进一步研究的有趣目标。
With the help of the Hubble Space Telescope, researchers confirmed the existence of an exoplanet with a unique atmosphere rich in water vapor.
借助哈勃太空望远镜，研究人员证实了一颗拥有富含水蒸气独特大气层的系外行星的存在。
The exoplanet WASP-12b is so close to its parent star that it completes an orbit in less than a day, experiencing extreme heat.
系外行星WASP-12b非常接近其母星，以至于它不到一天就完成一次公转，经历了极端的热量。
The TRAPPIST-1 system boasts seven Earth-sized exoplanets, three of which are in the habitable zone.
TRAPPIST-1系统拥有七颗地球大小的系外行星，其中三颗位于宜居带内。
Scientists detected the first exoplanet with a moon, suggesting complex planetary systems might be more common than previously thought.
科学家首次探测到拥有卫星的系外行星，表明复杂的行星系统可能比之前认为的更为普遍。
The exoplanet Gliese 581g, though not yet confirmed, was initially thought to be in the habitable zone and引发了一场关于其可能存在生命的讨论。
虽然尚未得到确认，但格利泽581g最初被认为位于宜居带内，引发了关于其可能存在生命的讨论。
Using the radial velocity method, astronomers have identified over a thousand exoplanets since the 1990s.
自1990年代以来，天文学家利用径向速度法已经识别出超过一千颗系外行星。
The exoplanet HD 209458 b was the first to have its atmosphere studied, revealing the presence of sodium.
HD 209458 b是第一个被研究其大气层的系外行星，揭示了钠的存在。
The discovery of an exoplanet with a similar mass to Earth's raises hopes for finding extraterrestrial life.
发现了一颗质量与地球相似的系外行星，这给寻找外星生命带来了希望。