private void UserInterface_Load(object sender, EventArgs e)
        {
            button1.Text = LBL_SINGLE_TICK;
            button2.Text = LBL_START_AUTO_TICK;

            _controller.MakeSolarSystem();
            _planetWidth = 3;
            _cx          = 350.0;
            _cy          = 350.0;
            _zoom        = 7.0;
            BackColor    = Color.Black;
            Width        = 800;
            Height       = 800;

            var newThread = new Thread(Run);

            newThread.Start();
        }