Conventional propulsion, whether chemical or fusion-based, is bound by the fundamental laws of physics. The primary obstacle to true FTL travel is Einstein's theory of relativity. As an object with mass approaches the speed of light, its relativistic mass increases, requiring an exponentially greater amount of energy to accelerate further. To actually reach the speed of light via such methods would require an infinite amount of energy.

  Interstellar travel faster than the speed of light (FTL) is therefore achieved through a device known as a Jump Drive. The core principle involves harnessing Aether Dust. While much about the particle is still a mystery, it has been proven to affect mass and gravity when properly harnessed. Improper handling is often catastrophic, but Jump Drive technology was successfully reverse-engineered millennia ago, allowing for the existence of intergalactic society.

  The Mechanics of a Jump:

  A jump is not instantaneous. It is a three-phase process:

  

  
1. Spin-Up (Acceleration Phase): This is the most energy-intensive phase. When a ship’s Jump Drive is engaged, it begins harnessing Aether Dust to bridge the gap in energy needed as speed increases. This process is not immediate, taking approximately 6 standard hours on average for a vessel to reach its FTL cruising speed.


  
2. Transit (Cruise Phase): Once a critical energy threshold is reached, the ship begins executing micro-jumps. It is not in continuous FTL motion; rather, it “jumps” or "skips" faster than the speed of light before dropping back below the threshold again, re-emerging a significant distance away in a rapid, repeating cycle. The effective speed during this phase averages approximately 3 light-years per standard day. The duration is directly proportional to the total distance of the journey.


  
3. Spin-Down (Deceleration Phase): Upon approaching the destination, the Jump Drive must reverse the process, carefully decelerating the ship back to a sub-light velocities that standard thrusters can handle. This is as delicate and energy-intensive as the spin-up, requiring another ~6 standard hours. Hypothesis: Attempting a sudden drop out of Jump without this controlled deceleration would likely result in catastrophic structural failure as the ship’s relativistic mass collides with normal spacetime.


  

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  External Observation: A Glitch in Spacetime

  To an outside observer with sensors advanced enough to track a vessel in Jump, the ship would not appear as a smooth streak of light. Instead, it would look like a glitch in reality.

  The ship would appear to stutter across the void—vanishing from one point and reappearing an instant later, further along its trajectory, with no visible travel in between. It is akin to watching a video feed with an extremely low frame rate. This "skipping" method is what allows a vessel to cover light-years in a matter of days.

  End Entry