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Re:Why is there a normal galaxy sitting at the edge of the U... by djsumdog on Wednesday September 09, 2020 @01:30PM (#24423446)
One analogy I've heard: Imagine the big bang split into 4 spheres and they accelerated away from each other. Because they'll all be expanding and accelerating, there could be 4 equally sized spheres of stuff just like our own, but it would be impossible for us to observe them. Change the number 4 to 2 or 1000 or n. We really would have no idea.
Re:Why is there a normal galaxy sitting at the edge of the U... by dumbfoundded on Wednesday September 09, 2020 @02:24PM (#24424079)
A testable hypothesis is a strong standard in science. Most scientists don't worry about things that cannot or more importantly, will probably never be testable. They can be fun to think about but that's pretty much it.