To infinity and beyond?

If space beyond our universe is infinite does that mean there is no such thing as size. Could our universe be contained in an atom upon a pin head in another world within another universe which in turn is in contained in another atom and so forth.
 
firstly,universe is something which contains everything,not an atom in a pin.so,there is nothing beyond the universe..it does have a shape.astronomers now say that the universe is of 47 million light years in radius
 
There is no "space beyond our universe". Our universe, by definition, contains all the space there is.
 
That hurt my head thinking about XD

But that is a really good question.
I don't think the universe is endless.
Everything has to have an ending point.

But I think it will be almost impossible to search that far.
 
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