Simulation size : 2400 px

Scale ( pixel / light-year) -> 1px/2000ly = 0.0005 :

Time Step (years):

Number of Stars (of each ,total star x2):

Negative Mass (solar mass):

Positive Mass (solar mass):

Size of Negative Hole (pixels):

Galaxy radius Size (pixels):

Galaxy initial Shape (1 for circular, < 1 for elliptical):

Rotation Speed :

Initial speed in pixel/year (tuned empirically for NegMatter, no Jean instability condition of points):

Star Color Nega:

Star Color Posi:

Star Neg Opacity (0-100):

Star Posi Opacity (0-100):