WictImov t1_ixek2zw wrote
Reply to comment by Hk-Neowizard in Is space infinite or finite? by erkynator
The closed loop model is a different animal, it would suggest you could end back at your starting point if you travel in one direction far enough (just like going around the world in an airplane). While possible, I am unaware of any evidence that leads us in that direction. I would say the cosmic microwave background suggests otherwise.
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