Onto,
You have to understand this is a cosmological view that had to be defined, and this is being looked at in different ways?
If critical density of OMega is being established, then what is happenng to our unverse? Remember we are talking about billions of years here and the universe has allowed us to consider the dynamics taking place.
You must undertsand where Smoln and those of LQG(SRians) have placed themselves in their attempts at discribing the nature of this uinverse and how M theory(GRaniums-members of the
Daisey Family)

is doing likewise. These are the new flower children of science