A Binary Star System

A hypothetical star system, consisting of Casella A weighing about 2 solar masses, and the less massive Casella B weighing about 1 solar mass. Each of these stars has planets orbiting them.

The simulation Casella shows these two star systems orbiting their barycenter.

Download casella.gsim

(You need to have the program Gravity Simulator installed on your computer first. Click Here to download Gravity Simulator.)