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How big is the universe (number) and how many years?
It can be seen that the universe is 93 billion light years (below 1) and the whole universe is infinite (below 2):

(Figure 1)

(Figure 2)

The+-sign in the figure represents the smallest inseparable unit of positive and negative chord information-string position.

(john wheeler, a famous physicist, once famously said: Everything comes from bit by bit.

After the prosperity of quantum information research, this concept has been sublimated to everything from quantum bits.

Note: One point is one point.