Voids inside atoms and voids in space?

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The discussion explores the similarities between the empty space within atoms, specifically between the nucleus and electron cloud, and the vast voids in intergalactic space. It highlights that while both types of space are often described as "empty," they may not be fundamentally the same due to quantum mechanics influencing our understanding of space at different scales. The conversation emphasizes that current physics suggests no significant difference between atomic voids and cosmic voids. Additionally, the notion that atoms are mostly empty space is more complex than it seems, warranting further exploration. Overall, the relationship between these voids raises intriguing questions about the nature of space itself.
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New to this blogging, forum internet stuff so bare with me.
Does anyone know if there is a similarity between the empty space separating the nucleus from the electron cloud of an atom, and the empty space found in the vast expanse of the inter galactic voids. The statement "Matter is composed mostly of empty space" implies they are the same. Is there anything special about this 'atomic void'
 
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What do you mean by "the same"? What characteristics did you have in mind when you are comparing them?

"Space" is space. Why would the space be any different? Granted, at some length scale, QM may have something to say about our ability to define what we mean by a "length", so the concept of "space" may require rethinking. However, based on our current understanding, and the formalism of the physics that we have used to describe atoms and celestial bodies, there is no difference.

Zz.
 
Note that the popular idea of atoms being made up mostly of empty space is actually much more complicated than it appears. I know we had a thread on it recently, so a forum search may be useful.
 

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