What evidence do we have that there is no structure in the universe on very large scale?

1 Answer
Nov 27, 2017

I think there Is structure, strings or filaments and voids between them.

Explanation:

It is true that the universe appears homogeneous in all directions beyond the local (super) group, but that isn’t the same.

Generally, it looks like this:

https://ned.ipac.caltech.edu/level5/Sept09/Einasto/Einasto5.html

Which has random features, but structure too.

Here’s a larger scale version which is clearer:

https://www.newscientist.com/article/2079986-billion-light-year-galactic-wall-may-be-largest-object-in-cosmos/