Big Bounce vs Big Bang

[Kosh]

photons get erased too.

redshift never stops and they red shift and red shift and red shift and red shift until they are 'gone'

I figured I would stop around the 100 trillion year mark
 
One thing I find oddly reassuring is that the most abundant stars in the universe, red dwarfs,  can have lifespans in the trillions of years due to their slow use of nuclear fuel.  You can almost imagine some advanced civilization building a dyson sphere or ringworld around one and being able to survive a very long time.