The narrow F ring, a tangle of several lumpy strands, sits isolated just beyond Saturn's A ring and also is straddled by two moons, Pandora and Prometheus.
The narrow F ring, a tangle of several lumpy strands, sits isolated just beyond Saturn's A ring and also is straddled by two moons, Pandora and Prometheus.
比较窄的F环，像几股粗细不规则的缆绳缠绞在一起，孤单地坐落于土星的A环之外，并有两颗卫星土卫十七和土卫十六跨于两旁。