| 1. | It produces a negligible interaction with the objects in our solar system .
它对太阳系物体的作用小得可以忽略不计。 |
| 2. | Scientists want to study comets because they may be the oldest objects in our solar system .
科学家之所以要研究彗星，是因为它们可能是太阳系中最古老的星球。 |
| 3. | Ganymede is the largest satellite in our solar system
加尼未则是太阳系最大的卫星。 |
| 4. | Could life exist on other planets in our solar system
太阳系的其他行星会有生物吗？ |
| 5. | Our solar system was formed 4 . 6 billion years ago
我们的太阳系被形成了4 . 6十亿年前。 |
| 6. | Neptune , the 8th planet in our solar system
海王星，太阳系的第八颗行星。 |
| 7. | L was the first picard to leave our solar system
我是第一位离开太阳系的皮卡德家族成员 |
| 8. | L was the first picard to leave our solar system
我是第一位离开太阳系的皮卡德家族成员 |
| 9. | Could life exist beyond our solar system
太阳系外有生命生存吗？ |
| 10. | Our solar system has eight planets
我们的太阳系有八颗行星。 |
