土卫

Explanation: What does the surface of Saturn´s ice - spewing moon Enceladus look like?

说明： 土卫二，这颗会喷出冰的土星卫星表面长什么样子？

Prometheus overtakes Pandora in orbit around Saturn about every 25 days.

土卫十六在土卫十七上面，大约每25天环绕土星一圈。

But it is more likely that Rhea is uniquely suited to hold debris in orbit.

但“土卫五”更有可能是独一无二的，适合将碎片限制在轨道上。

Cassini gets a close - up view of the surface of Saturn´s moon Enceladus on August 13, 2010.

卡西尼得到8月13日2010年之前， 土星的卫星土卫二表面近距离的看法。

Crater - scarred Rhea floats in the distance, peeking out from behind Saturn´s partly shadowed rings.

有许多坑和斑纹的土卫五漂浮在远方， 正从土星环外面的阴暗部分窥视着。