In article ,
Zilva Zanga wrote:
from someone with an interest but no education in this area.
If the universe is expanding, doesn't that mean that there is a boundary to
what scientists define as the universe? If yes, what's on the other side?

Since the universe is "everything that is, everything that was and
everything that will be", if there's anything "on the other side" then
that too belongs to the universe. Thus there cannot be any "other side"
outside the universe.





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