Could there be a galaxy that has developed closer than andromeda that we can’t see just because the light hasn’t reached us yet? How are all of these galaxies around us so old yet evenly distributed? Is there a blank spot in space that galaxies may exist but the light hasn’t reached us?
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The universe is potentially infinite(we can’t really know) so there’s lots of stuff that can exist that light just haven’t hit us yet. Basically how it works is that looking far out in the universe allows us to look back in time, so the furthest away galaxies were very young when that light was emitted, which allows us to basically see how galaxies form. At least in theory, picking up light from very distant galaxies is very difficult and it’s one of the main focus points of the james webb telescope
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