Hypergate

The Hypergates (Shoed Nawadd in Celestial) also called Stargates (English Translation of the Celestial words) is a device used by many cultures to travel instantly rom one planet to another. Most Worlds have one gate, but some Keralan colonized worlds have two.

The Hypergates work in one way (to go back you have to dial again) and the destruction of one would (In the Celestial, Terran and Lemurian Models) create an explosion capable to devastate over Three cuarters of the planet. this was used during the Terran-Keralan war