由无数天体组成的广袤无垠的宇宙始终是人们渴望了解,不断探索的领域.近年随着宇宙大爆炸理论的成熟和由于航天技术的飞速发展而取得的大量对宇宙新的成果,使得天体运动的研究又进入了新高潮,同时有关天体运动的问题也成为近年高考的热点. The vast and unrestrained universe composed of numerous celestial bodies is always an area that people long for understanding and exploring. In recent years, with the maturity of the Big Bang theory and the rapid development of space technology, a large number of new achievements in the universe have resulted in the movement of celestial bodies. The research has entered a new upsurge, and the issue of celestial bodies has also become a hot spot in recent college entrance examinations.