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> Reference frames are local constructs, they cannot be used to (uniquely) define simultaneity over large distances.

Large distances? Please, we are talking about a couple thousand years: what's that compared to the age of the universe?

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Large and close is respect to the light-crossing time and the accuracy with which you want to timestamp an event. If you care about years, 1 light year is already a large distance.

> If you care about years, 1 light year is already a large distance.

Sir, honestly, this sentence of yours is just ridiculous.

> Sir, honestly, this sentence of yours is just ridiculous.

Please write only if you have something useful to contribute to the discussion.

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