That is, if the closest one we can observe is 1600 light years away, are we not observing these things as they were 1600 years ago? How do we know black holes didn’t just pop up for a brief time window, and now they are gone?
In: 2
For the same reason we don’t assume you just popped into existence to post this question and then disappeared, there’s no evidence to suggest thats how things work, and lots of evidence to suggest its NOT how things work. Is it possible we are wrong? Sure, heck, its technically possible that the entire universe popped into existence 3 seconds ago with everything arranged such that it appears to us right now that its been around for a lot longer. But since we have no reason to suggest thats true, it doesn’t make sense to treat it that way.
Latest Answers