Hello prof
I add code on project Earth and moon 3d to add stars,,i use code project Earth Orbit Model on site OPS(open source physic)
My idea was that i want add stars in java 3d simple and make background black with move of earth and moon
And stars black will be good and a simple example by java like on any way after i add code simulation work by this way could you check please.
Thanks
Here is XML source code