| 1. | Methane may have extraterrestrial significance .
甲烷具有星际意义。 |
| 2. | The remnant nebular gas pervades the interplanetary space .
星云的残余气体充斥星际空间。 |
| 3. | 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。 |
| 4. | Schweikart believed it might apply to the region of the stars .
Schweikart相信它可能应用于星际空间。 |
| 5. | 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。 |
| 6. | 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？ |
| 7. | The real problem of interstellar communication does not concern technology .
星际通信的实际问题不在于技术。 |
| 8. | This wise decision enabled him to make a sequel to star wars .
这个聪明的决定使他能够拍出《星际大战》的续集。 |
| 9. | 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。 |
| 10. | 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。 |
