“万有引力及天体运动问题”一直是物理教学中的一大重点,也是一大难点.目前我国航天事业飞速发展,越来越需要这方面的人才.所以,在学生的学习时期,为他们打好基础,是一项非常重要的工作.改革开放以来,我国的科技发展取得了举世瞩目的成就.赢得了全世界赞誉与羡慕的目光.现代竞争离不开科技的支持,而航天技术水平在一定程度上反映着一个国家的科技实力.近几年,随着神五神六神七的成功发射,探月计划的逐步实施,我们用自己的实力 “Gravity and celestial movement ” has always been a major focus of physics teaching, but also a major difficulty.At present, China’s rapid development of aerospace, more and more needs of personnel in this area.Therefore, in the student learning period, for them Since the reform and opening up, China has made remarkable achievements in science and technology development and won the praise and envy of the world. Modern competition can not be separated from the support of science and technology, and the level of space technology To a certain extent, reflects the scientific and technological strength of a country.In recent years, with the successful launching of the gods and gods and the gods and gods and the gradual implementation of the lunar exploration program, we use our own strength