You don't need relativity, this problem is already answered by distributed systems that lack TrueTime clock guarantees. Today have to make arbitrary and inconsi

You don't need relativity, this problem is already answered by distributed systems that lack TrueTime clock guarantees. Today have to make arbitrary and inconsistent choices. (Or "eventually consistent", but then you lose some level of resolution in your ordering of moments) Related, this classic economic article: https://www.princeton.edu/~pkrugman/interstellar.pdf https://www.princeton.edu/~pkrugman/interstellar.pdf