That would mean that there could be an asteroid in our home galaxy heading on the same trajectory. But why wouldn't we have detected it?
The satellites on Terra Durom were much more powerful than on our world. Maybe that is why they had been able to track it when we could not. How likely is it that our universes mirror each other in that way?
From what I could tell, the two world's were pretty much identical until sometime around the 1940s. How identical though? The only thing I have based my reasoning on is their technology.
Perhaps they were a little too identical. Maybe they were the same up until that point. Maybe there was something that happened on an astronomical scale that caused our two universes to split and each go off in their owndirection, but having the same starting point.
If this were the case I could see why the human culture had changed so much when compared to our own. But larger bodies and motions would probably remain the same.
This was all theoretical, but it seemed that both Earth and Terra Durom were tied together. Both in their location and speed within their respective universes. Maybe over enough time our two universes would start to go out of sync, but since it has only been a few decades since the split, they are probably close to being identical.
We had to do something. To save this new paradise, our home and everyone on it. But how could we have enough time?
