| 1. | The hot, massive, high-luminosity stars of spectral types o and b are not distributed uniformly over the galaxy but are grouped into extensive, separate aggregates that have come to be called associations .
O型和B型的大质量高光度热星在银河系中分布并不均匀，而是聚集成为分开的大星群，即所谓星协。 |
| 2. | Starbursts may have more subtle effects as well
星群爆发的影响也许更要复杂。 |
| 3. | A cluster of stars smaller than a constellation
星群，星座比星座小的一簇星星 |
| 4. | You can see stars in clusters in the night sky
你可以看到夜空中的星群。 |
| 5. | That , in turn , is good evidence of a starburst
反过来，这很好地证明了星群爆发的存在。 |
| 6. | The star cluster of the pleiades is located at 28 degrees taurus
昂宿星团的星群位于金牛座28度。 |
| 7. | For hours he sat gazing at the stars
他坐着注视野星群几小时。 |
| 8. | A constellation ofdark new worlds
一个代表黑暗新世界的星群 |
| 9. | A constellation ofdark new worlds
一个代表黑暗新世界的星群 |
| 10. | We can see the stars at night
夜晚我们可以看见星群。 |
