土卫三
tǔ wèi sān
- 名Tethys
土卫三-
今年12月25日，卡西尼号将释放惠更斯号探测器，让它航向土卫六，历时三周。
On December 25 Cassini will release the Huygens probe , which will coast toward Titan for three weeks .
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按照拥有的水量排序，从少到多依次是：土卫二，土卫四，地球，木卫二，冥王星，海卫一，木卫四，土卫六和木卫三。
In order of how much water they have , from the least to the most , they are : Enceladus , Dione , Earth , Europa , Pluto , Triton , Callisto , Titan , and Ganymede .