Playing devil’s advocate: Perhaps universe as in “look up, it’s the stars”? I think it’s plausible, many children in that age also know about astronauts and aliens already.

Are you 15 or 40?

Experiencing the world through a camera lens is not how it’s meant to be

I appreciate those detailed insights, I see where I misunderstood. I need to reread the 3rd HP novel with my son now :)

I think the first one leaves open what you do, as alternate actions lead to an alternate timeline. The second is more “read-only”, similar to what OP laid out.

I think it’s the 2nd option

Tetris, many times