open gl 太阳 月亮 与地球旋转例子，程序经测试可运行。-opengl moon sun and earth rotate

采用opengl在C#中的sharpGL库，显示地球旋转，通过键盘的WASDQE控制视景的前后左右远近-Using opengl in C# the sharpGL library, show the Earth rotates around，the keyboard WASDQE control by visual distance of about

opengl实现的太阳、地球和月亮，比较简陋-opengl achieve the sun, earth and moon, relatively simple