Hyperion is an irregularly shaped moon of Saturn that tumbles chaotically through space rather than rotating in a stable, predictable way. Scientists find it noteworthy because its unusual chaotic motion provides a natural laboratory for studying orbital mechanics and the behavior of objects in unstable gravitational environments.
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土卫七又稱為海柏利昂,是环绕土星运行的一颗卫星。 1848年美國天文學家喬治·邦德和英國的威廉·拉塞爾各自獨立發現土衛七,距土星1482000公里,像大星體的碎片,表面不知為何有如海綿,是目前所發現太陽系中最大的一顆非球形天體,也是太陽系中,自轉不規則的星體之一,每21.3天繞土星旋轉一周。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).