Requires Windows, Mac, or Linux
Follow these tutorials.The least two are by Greg Martin.Post your when you done .http://blog.hexagonstar.com/galaxy-tutorial/http://gallery.artofgregmartin.com/tuts_arts/making_a_star_field.htmlhttp://gallery.artofgregmartin.com/tuts_arts/making_a_planet.html
blah blah blah
how can we use this in Universe Sandbox?