| 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. | 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。 |
| 8. | On december 25 cassini will release the huygens probe , which will coast toward titan for three weeks
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。 |
| 9. | In cassini ' s planned 76 orbits around the saturn system , 44 are to be plotted to provide close encounters with titan
它将环土星飞行76圈， 44次飞过土卫六(土星最大的一颗卫星) 。 |
| 10. | Saturn ' s two largest moons meet in the sky in a rare embrace . smog - enshrouded titan glows to the left of airless rhea
土星的两个最大的月亮在天空中“拥抱”在了一起。土卫六的浓雾在土卫五的左边发着亮光。 |
