| 1. | Because titan is saturn's largest moon, it held special interest for us . 由于土卫六是最大的卫星,因此我们对它特别感兴趣。 |
| 2. | A three-inch refractor will give an excellent view as well as showing titan . 一架三英寸的折射望远镜就能看到极好的景象,还可以看出土卫六。 |
| 3. | Is it covered with liquid hydrocarbons 土卫六表面是否覆盖了液态的碳氢化合物? |
| 4. | There is liquid flowing on the surface of titan 土卫六的表面有液体流动。 |
| 5. | Or is titan simply an icy satellite pocked with craters 或者土卫六只是个坑坑疤疤的冰冷卫星? |
| 6. | It ' s not water - it ’ s much too cold - it ’ s liquid methane 因为土卫六太冷了,流动的不是水,而是液态甲烷。 |
| 7. | Explanation : what lies at the bottom of hyperion ' s strange craters 说明:土卫七奇异的陨石坑底,到底藏了些什麽? |
| 8. | On titan , this so - called antigreenhouse effect cools the surface by seven degrees c or so 在土卫六上,这种所谓的反温室效应,使其表面温度降低7左右。 |
| 9. | Another example is the f ring , whose periodic clumps seem to have been imprinted by prometheus 环是另一个例子,它起伏规律的纹块似乎是由土卫十六印制出来的。 |
| 10. | A few bright wispy markings curl around the eastern limb of rhea ( 1 , 528 kilometers , 949 miles across ) 一些小而明亮的斑纹缠绕在土卫五的东部。 (直径1 , 528公里, 949英里) |