How to See Past by Looking in the Sea

Is it possible to see the earth by sending a telescope multiple light years away? Only if you can travel faster than light, right? And you see your own past. So you can't do that. There are galaxies that are like 65 million light years away from Earth. From our galaxy. If they had a super duper telescope and they look towards Earth, what do they see? If they're seeing us however many light years ago, 65 million years ago, right? They witnessing dinosaurs, right? Okay. Well, some of them we don't want to know. Let's come on. I know we're 50 states, but we kind of should be about 40. Seriously.