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What if you can observe past interactions with it, but it is no longer possible to interact with it? Would you say it's still part of "our universe"?
by cperciva 9y ago
What if you can observe past interactions with it, but it is no longer possible to interact with it? Would you say it's still part of "our universe"?
- adrianN 9y agoI'm no physicist, but my impression is that the observable universe is already smaller than the universe.
- fooker 9y agoWell, due to the universe being ~13 billion years old, there is no way to observe(/interact with) entities that are more that 13 billion light years away at present. That does not put these things in a different universe.
- maxerickson 9y agoWho cares. If you had clear proof of the existence it would be useful to describe it. People would argue about the words used and it wouldn't really matter. Pluto didn't get any smaller when they decided it wasn't a planet anymore.
- rytill 9y agoWhat’s the latency?