Universe expanding +c. +c impossible?

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budd
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can anybody explain this to joe public?
 

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or, to think of it in a mind warping way (no pun intended)... When the universe expands, it's not that things are flying apart from each other, it's that the distances between everything are getting bigger.
 
so on this balloon thingy. if we start of with 2 galastic clusters next to each other but movin g away at +c how do we see them?