Thanks for all your responses, I'll spend a little while trying to get my head around all of this. I wanted the question to stay general at first so I could get a better understanding. But the specific thing I'm trying to solve is;
Objects currently at a distance with redshift 2 are being...
Do you know specifically how we come to the 3c? I'm looking for some sort of formulas or graphical representation of what's going on so I can really grasp what's going on.
With the LDCM, cosmological constant, model I understand that the scale factor of the Universe grows more rapidly than the Horizon. I believe the correct horizon I need to be considering is the Hubble Horizon and the point when objects recessional velocity hits the speed of light they disappear...