Complex sentence: In "", Kim found the ship's first contact back with the Alpha Quadrant when he discovered a micro-wormhole, however it was discovered that it linked through to Romulan space some twenty years in the past.
Split into simpler sentences: In "", Kim found the ship's first contact back with the Alpha Quadrant when he discovered a micro-wormhole. It was discovered that it linked through to Romulan space some twenty years in the past.