"G=EMC^2 Glazier" wrote in message
...
My post says inside the hub. It should read outside the hub,and inside
the hub ithe stars are not in lock step Bert

It's kind of hart to tell what you mean when you use terms like "in lock
step", but it sounds like you had it right (sort of) the first time.

The bulge exhibits characteristics of solid-body rotation, the disk exhibits
characteristics of differential rotation.