We say that it happened in the past, using our wall clock ideas. But you can't rush there and look back to "see dinosaurs", so it's at least as correct to say t

We say that it happened in the past, using our wall clock ideas. But you can't rush there and look back to "see dinosaurs", so it's at least as correct to say that it happens in real time. This is an event, registering now in our reference frame. Nothing else provided.