> But visiting the past of someone from another galaxy is simply a matter of getting in a rocket and getting there. If you can get there it was never in the pa

> But visiting the past of someone from another galaxy is simply a matter of getting in a rocket and getting there. If you can get there it was never in the past, by definition. It was necessarily in your future. The rocket is just a distraction. What you say is not fundamentally different from saying that tomorrow I can visit the past of the New Yorkers of Thursday. And then I can also visit their present and tell them what happened the day before.