look at this model* of the universe : a representative bubble expanding into time (arbeit)
from:
http://www.sciforums.com/threads/alma-sees-old-galaxies-before-they-merged-two-ways-to-look-back-into-the-past.160341/page-55
* 1 space dimension has been removed to make room for time.
post#1085 shows an alternative theory with eternal time #1, point in time #4 for the start and the expanding bubble of the universe with us in it, as #3, the horizon with photons to be caught by webb seemingly coming from the horizon #9, but really from the deep past #2, that is now empty.
There was" a lot new before the sun", only 4.5 billion years old.
so, webb, let us see, let there be "first light" as the astronomers say.