How to Imagine an Expanding Universe

How to Imagine an Expanding Universe
By Paul Sutter (https://ift.tt/LetCY4c)

I honestly don’t have a decent analogy for you to explain how the universe is expanding without a center and without an edge. It just does, whether we can wrap our minds around it or not. But I CAN give you a way to think about it.

November 22, 2025 at 05:29AM
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