| 1. | A constellation is a stellar system .
一个星座就是一个恒星星系。 |
| 2. | There is an attraction among these stars .
在这些恒星之间存在着一个引力。 |
| 3. | Every star is a copious source of neutrinos .
每颗恒星都是丰富的中微子源。 |
| 4. | The outer layers of the star would literally cave in .
恒星外层会向内陷落。 |
| 5. | Stellar spectra vary considerably .
恒星的光谱有相当大差异。 |
| 6. | The radiation of the star could not be regulated .
恒星的辐射将是无法节制的。 |
| 7. | Eventually the star's contraction slows down .
最后，恒星的收缩终于慢了下来。 |
| 8. | Building model stars is a compulsory task .
建立恒星模型是一项势在必行的任务。 |
| 9. | The sidereal year is not used to construct a calendar .
恒星年不用于编制年历。 |
| 10. | Stars are as thick as the sand grains on a beach .
恒星像海滩上的沙子那样密集。 |
