| 1. | The formation of the satellite systems of the giant planets parallels in many respects the formation of the planets . 大行星的卫星系统的形成在许多方面相似于行星的形成。 |
| 2. | That ' s easy . everyone knows that there are nine 很简单。大家都知道有九大行星。 |
| 3. | Scale of the nine planets of the solar system 太阳系九大行星的大小比较 |
| 4. | The energy of the planets influences our everyday lives 这10大行星,是占星学中判断的主干。 |
| 5. | So the new model of our solar system has eight classical planets 所以新模型我们太阳系有八大行星。 |
| 6. | Among all the planets , even lower than the density of water 密度却是众多大行星中最低的,甚至比水更低。 |
| 7. | Do you know the nine major planets 你知道九大行星吗? |
| 8. | What mysteries do you know about the nine planets in the solar system 关于太阳系里的九大行星,你知道哪些奥秘? |
| 9. | Big planets close to a star have big effects and orbit quickly 接近于恒星的大行星就有着大的效应,并且围绕恒星运行的速度也就快。 |