nostr:npub1dgc20rwct3mfd884e2240pqpzhzlz6xm7laky670vnd5um3xxkzsaj4yrt 

Hmmm.  Small as in eventually curves back on itself?  Or as in some kind of edge?  In either case, the temptation is then to ask what lies outside the curve or beyond the edge?  It seems like all cosmological answers are eventually absurd.