jstenoien t1_j4ahxzw wrote
Socky_McPuppet t1_j4b61x5 wrote
Yes and the matter that is in it is not evenly distributed - it tends to bunch together, and at the largest scales, it looks like a foam, with all the matter distributed along the edges of the bubbles, and really big empty spaces in between. I mean, there's an area of space that's a billion light years across, and there's nothing in it, as far as we can tell.
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