How far can space time be warped, twisted, and pulled?

In the story I'm writing, an ancient civilization once roamed the local group, traveling from galaxy to galaxy with ease. Thousands of millennia after their disappearance, humanity stumbles across the last remaining ruin of their "network across the stars": an inter-dimensional mega structure known simply as "the bridge".

Placed between the Milky Way and Andromeda, the bridge is made of 2 main parts. On both ends of the bridge (one orbiting around Proxima Centauri, the other around a Black hole/stellar trinary system named Resurrect), there is a massive ring shaped structure known as a gate. When the bridge is opened, both gates will consume the energy of their host star in order to open up a black hole at their centers.

These black holes would then stretch through a dimensional subspace, known as scale space, in order to reach a tube-shaped relay station known as "The Nexus". Here both singularities are stretched into a ring shape and placed right on top of each other; creating a tunnel which turns the two black holes into one giant wormhole. From there, a ship could simply travel through one gate, pass through the Nexus, and emerge on the other side unscathed in a matter of minutes.

However, in order to make it as realistic as possible^"¡, I was wondering if the bridge could actually work. Specifically:

• whether two areas of space time could be stabilized and connected together
• whether space time could be manipulated to accelerate and decelerate a spacecraft through gravity (so it wouldn't have to do a burn to stabilize its orbit once it reaches the other gate)
• If a wormhole like this would be safe enough to traverse. i.e., they wouldn't wind up spaghettified, incinerated, suddenly and abruptly vanished into thin air. and/or accidentally erased from existence.

"¡(I need to use poetic licence on scale space, it ties in deeply to the book's main story)

posted over 7 years ago

Mattias‭

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