天文学家利用詹姆斯·韦伯太空望远镜观测发现，直径仅250公里的小天体Chariklo的环系结构在过去十年间发生了显著变化1。Chariklo是2013年被发现拥有环的小天体1，由来自Instituto de Astrofísica de Andalucía的Pablo Santos-Sanz及其同事主持的研究表明，该天体的一条环变得更加稠密，而另一条环几乎消失1。
这项观测结果为理解围绕小天体的环由什么组成以及它们能持续多长时间提供了重要线索1。不过，这些环消失的确切原因目前仍不清楚1。
Astronomers using the James Webb Space Telescope have detected significant changes in the ring system surrounding Chariklo, a small celestial body with a diameter of only 250 kilometers 1. Research conducted by Pablo Santos-Sanz and colleagues at the Instituto de Astrofísica de Andalucía revealed that one of the rings has become noticeably denser while another has nearly vanished over the past ten years 1.
Chariklo was first discovered to possess rings in 2013, making it a rare example of a small body with such a system 1. The observations from the advanced space telescope are providing new insights into the composition of rings surrounding diminutive celestial objects and how long such structures can persist 1. However, the precise reason why one of the rings has nearly disappeared remains unclear 1.
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