Warp Gate
A massive interstellar superstructure that uses artificial gravity tunnels to connect distant points in space.
At this point in time, new warp gates are not common. However, usually they are manufactured in-situ with its modular components constructed elsewhere and shipped in to be installed where the gate is to be located.
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Most spacefaring races have a warp gate relatively nearby to their star system. That said, there are only a few dozen of these structures in existence.
These gates serve as permanent mouths to wormholes that link between gates. The gates themselves work to stabilize the wormhole passageways so that entire spacecrafts and their contents can pass through instantly, unharmed.
Just like the name implies, these structures exist for the purpose of warping from point A to point B. As faster-than-light travel is impossible, warp travel is the next best thing.
In order to accommodate the largest known spacecraft in commission, most warp gates are around half a mile wide.
Generally, warp gates are large rings that are more or less circular. They have several modules around their circumference that are used to general the gravity field and stabilize the wormhole once it forms.