| 1. | We will be interested in the heat capacity of interstellar gases .
我们感兴趣的是星际气体的热容量。 |
| 2. | These elements become part of the interstellar gas and dust .
这些元素成了星际气体和星际尘埃的一部分。 |
| 3. | Which kind of signal is most promising for interstellar contact ?
在星际通讯中，选用哪种信号最有效呢？ |
| 4. | The real problem of interstellar communication does not concern technology .
星际通信的实际问题不在于技术。 |
| 5. | A serious attempt at interstellar communication would be very expensive .
作一次星际通信的认真尝试可能很费钱。 |
| 6. | We can rule out interstellar rockets, because they are far too slow .
我们可以把星际火箭除去，因为它们太慢了。 |
| 7. | Stars are born from a kind of primal soup known as the interstellar medium .
恒星是由一种称为星际介质的“原汤”形成的。 |
| 8. | This means a total period of 100 years in which interstellar communication would be possible .
这就是说，星际通信在100年内可能实现。 |
| 9. | The contraction of a cool interstellar gas cloud can proceed in a variety of ways .
一个冷的星际气体云的收缩，可以通过许多不同的方式来进行。 |
| 10. | Astronomers usually assume that interstellar dust is closely confined to the galactic plane .
天文学家通常认为，恒星际星尘都是紧靠着银河平面的。 |
