He sees it altogether in what some people might call an "eternal now" though I would stumble over the word "eternal" being used with the word "now.""
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AHA!! I thought that was where you might be headed!
Remember a couple of years or so ago when I was working a multidimensional graphic to illustrate what we then called, "God's Universal NOW"? It appears that we are back there again...
God -- who is unlimited and unconstrained by either time or space -- can see, at any instant -- the true state of anywhere and everywhere in His entire created universe at that same instant.
We, on the other hand, are constrained to see only the energy (usually radiation of various wavelengths traveling at 'C') that impinges on our spatial location from any given direction.
We see a star or other astronomical scene at some distance (N light years) -- as it existed N years ago. God knows, right [universal] NOW that that object may no longer exist -- but that only when light has reached us (N years later) will we know of its disappearance.
Curiously (or providentially?) today's APOD ("Astronomy Picture of the Day") addresses that very issue!!
M16: the "Pillars of Creation"
At the bottom of the page we find: "The pillars of creation were imaged again in 2007 by the orbiting Spitzer Space Telescope in infrared light, leading to the conjecture that the pillars may already have been destroyed by a local supernova, but light from that event has yet to reach the Earth."
Because God (His Name is "I AM") is (if He chooses to be) in the "Universal NOW", He knows the answer to the above -- right NOW!