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Warning! This page contains information regarding Star Trek: Discovery, and thus may contain spoilers.
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A graviton pulse is a focused concentration of graviton particles.
In 2368, graviton pulses were used to attempt communication with the Crystalline Entity by the USS Enterprise-D. The Entity responded with its own graviton pulses, but an increased graviton pulse rate sent by Dr. Kila Marr ultimately shattered the Entity. (TNG: "Silicon Avatar")
In 2369, a coherent graviton pulse was used to close the subspace rupture that was allowing solanogen-based lifeforms into "normal" space. (TNG: "Schisms")
Also in 2369, a Gamma Quadrant artifact brought to Deep Space 9 by Vash began to emit graviton pulses that disrupted station systems. The space station was dragged towards the Bajoran wormhole by the gravity created by the pulses, and received minor damage. (DS9: "Q-Less")
In an alternate timeline, Benjamin Sisko was hit by an energy discharge, which combined with a graviton pulse altered his temporal signature. (DS9: "The Visitor")
In 2373, Arridor and Kol, two Ferengi marooned in the Delta Quadrant as a result of the unstable Barzan wormhole, used a graviton pulse to prevent the USS Voyager from transporting them off their shuttle. Subsequently, the pulse caused a gravitational eddy from the wormhole to pull the shuttle in and completely destabilized the wormhole itself. (VOY: "False Profits")
In 2375, a graviton pulse was used by a small Klingon fleet to disrupt the warp drives of several pursuing Jem'Hadar attack ships. (DS9: "Once More Unto the Breach")
In 3191, Ensign Adira Tal told Commander Rayner that a graviton pulse could be used to disrupt the antimatter reactions causing a wormhole to repeatedly open and close, but with a 43.7% chance of also causing an implosion that would seal it permanently. (DIS: "Mirrors")