This extra - dimensional realm is where ones and desires manifest and keep manifesting making it extremely difficult to vacate. Time does not mean anything within it.
One can visit anywhere and everywhere within it. The entrance is a temporal ribbon. It journeys throughout the universe every 39 years.
Starfleets firdt encounter was in 2293. The Enterprise-B was responding to a distress call from a vessal on its way to Earth.
This is a detechtable phenomenon.
In 2152 Siliks soldiers detected the signature in one of the Enterprises Turbolifts. It was Daniels.
In 2372 Benjamin Sisko temporal signiture went out of phase. It pulled him into subspace. Sisko didn't experience the passage of time. He appeared to his son in different moments within his life due to a subspace link which was because of their physical proximity at the time of the incident.
This first was created in 2387 by a Temporal incursion by the Narada. Captain Richard Robau was aboured the mining vessel and asked the location of Admiral Spock.
In a alternate timeline sprung from alternate mining ship Narada chasing Spock through a black hole. The crew of the USS Enterprise witness the Narada destroying the planer Vulcam and must stop the Naradas Captain Nero from doing the same to Earth.
