太阳地球月亮系统，实现了星体之间的客观运行比例，是opengl初学者的好素材。-Sun Earth and Moon System

这是一个用来计算太阳与地球之间的引力的小程序,因本人能力有限有错处请大家指点-This is a used to calculate the gravitational attraction of the sun and the earth of small procedures, because my ability is limited has mistakes, please give directions