The rings cannot hide the ragged , icy crescent of rhea , here imaged in color by the cassini spacecraft . the second - largest moon of saturn shines brightly through gaps in the rings 翻譯:星環(huán)掩飾不了這個新月狀的土衛(wèi)五,這張彩色圖像,由卡西尼號飛船拍攝.在這張圖象里,土星的第二大衛(wèi)星,仍然能夠在星環(huán)后面發(fā)光。
Enceladus , a moon of saturn , stunned scientists two years ago when nasa ' s cassini orbiter discovered geyser - like jets of water vapor shooting into space from its south pole 恩克拉多斯(土衛(wèi)二)是土星的一個衛(wèi)星。兩年前卡西尼號人造衛(wèi)星發(fā)現(xiàn)一股噴泉狀的水蒸氣從它的南極射向外太空,令美國宇航行局感到非常震驚。
百科解釋
The moons of Saturn are numerous and diverse, ranging from tiny moonlets less than 1 kilometer across, to the enormous Titan, which is larger than the planet Mercury. Saturn has 62 moons with confirmed orbits, 53 of which have names, and only 13 of which have diameters larger than 50 kilometers.