Solar Gateway
Definition
Each end of a wormhole is called a gateway. A solar gateway serves as the official gateway for an entire solar system.
While absolutely possible to create a wormhole from anywhere, there is a problem of showing up in a part of space that is occupied. Arriving into a space that is occupied creates a time-space distortion that must be resolved.
That resolution results in the displacement of either the source or destination space back to the opposite end of the wormhole. It is unpredictable and causes chaos on both ends of the wormhole.
To alleviate this problem, official gateways were created. At these gateways, a space lock has been created to ensure that, even within the vacuum of space, there are no molecules within it — a vacuum within a vacuum.
These are not cheap to build. Therefore, the most common gateway is the solar gateway. The second most-common gateways are for populated planets.
Each gateway has an address, which is the Universal ID. All Universal IDs are preprogrammed into the gateway network. During each wormhole, a beacon signal adds correction for any anomalous spatial drift.
Every solar gateway is positioned in the same spot — 100.0 million kilometers directly below a solar system's sun.
— The Warubozu Usagi