As a professional photographer;the reason three stars are used is because it is more pleasing to the human brain. It makes sense to us,and easier to process.
If when you look through a magazine,see if you don't notice that 3 of anything is used, flowers,people,settings. Its the same reason that watch manufacturers use the time 10:10,its more pleasing to the eye.
58 posted on 11/30/2001 7:43:22 AM PST by fearNlothin