Screen Rant

Star Trek: Discovery has revealed details of the Mirror Universe of the 32nd century. 1 / 9

In the 5th episode of season 3, Emperor Philippa Georgiou receives an update on the Mirror Universe... 2 / 9

And she is stunned to learn that the Terran Empire from the other reality fell several centuries ago. 3 / 9

Philippa Georgiou is actually a Tarran from the other reality... 4 / 9

And this was unexpected news to her, though something viewers of Deep Space Nine were aware of. 5 / 9

The gap between the Prime and Mirror Universes is also revealed to have widened... 6 / 9

Making travel between them impossible. 7 / 9

With time-travel now banned and the technology for it not around in the United Federation of Planets... 8 / 9

And this leaves the ultimate fate of whether the Mirror Universe will play into Discovery a big question. 9 / 9