Mimas, at the upper right, has an enormous impact crater on one side, and Tethys, at the bottom, has a huge rift zone called Ithaca Chasma that runs nearly three-quarters of the way around the moon.
右上角的是土卫一，在它上面的一边上，有着一个巨大陨石坑；底部的是土卫三，上面有一个巨大的、称为伊萨卡峡谷的裂谷带，它几乎占了该卫星绕行路线的四分之三。
On moon Mimas, the enormous Herschel Crater spans 80 miles (130 kilometers) -one-third of the moon's entire surface.
在土星的卫星土卫一上，巨大的赫歇尔陨石坑跨越了80英里(130公里)，占据了这个卫星整个表面的三分之一。
Subtle color differences on Saturn's moon Mimas are apparent in this false-color view of Herschel Crater captured by NASA's Cassini spacecraft during its closest-ever flyby of that moon.
这是土星的卫星土卫一(米玛斯)上赫歇尔环形山的假彩色照片，由NASA的卡西尼飞船在最接近土卫一飞行的时候拍摄，照片上细微的颜色差别很明显。
Below Titan, near the ring plane and to the left is the moon Mimas, casting a muchs maller shadow onto Saturn's equatorial cloud tops.
泰坦左下靠近土星光环的是土卫一弥玛斯，在土星赤道云层上投下小得多的投影。
Small moon Mimas is just touching Saturn's disk near the ring plane at the far right.
土卫一位于最右侧光环附近，紧贴着土星盘面。
Small moon Mimas is just touching Saturn's disk near the ring plane at the far right.
土卫一位于最右侧光环附近，紧贴着土星盘面。
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