Yes.
Anwer2:
No. Redshift is misunderstood. Redshift indicates local Continuity condition, not expansion. redshift is the centrifugal force mcDel.V= -mcv/r cos(V) balancing the gravitational centripetal force, mv2/r
mv2/r = mvc/r cos(V)
v/c = cos(V) is the redshift.