[Space] Technobabble for my new campaign.

[cvannrederode]

Originally Posted by AlexanderHowl

It would take 9.5 years for a 0.1g spacecraft to reach 0.98c (though time dilation would probably fiddle with the numbers).

That's according to someone watching them from a "stationary" point. From someone on the spacecraft, every second is five seconds in stationary space when going .98c.