Sent_en: 2zh A team of Cassini researchers led by Candice Hansen of the Planetary Science Institute in Tucson, Arizona, measured gas shooting out of distinct jets originating in the moon's south polar region at five to eight times the speed of sound, several times faster than previously measured.
Sent_yy: 在亚利桑那州图森行星科学研究所，卡迪斯·汉森领导下的一个卡西尼研究团队对土卫二南极地区喷射出来的独特射流气体进行了测量，发现其喷射速度达到了音速的5倍至8倍，比此前测到的速度快了几倍。