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2 votes
2 answers
293 views

How can the universe have an event horizon?

As I understand it (correct me if I'm wrong), the universe has an event horizon, and we can't possibly know if there's anything beyond it. This is due to the expansion of the universe, that space is ...
HiddenWindshield's user avatar
0 votes
1 answer
109 views

About space/timelike intervals and event horizon of observed universe

How does interval between us (e.g earth) and the spacetime outside of observable universe (above the event horizon) can be described in terms of timelike and spacelike intervals? Is it just spacelike ...
mirt's user avatar
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