Re:The horizon problem for faster than light travel
by teaearlgraycold on Thursday January 20, 2022 @08:44PM
(#30018130)
I'm talking about time dilation. From the perspective of the pilot of a near light speed ship a trip across the galaxy would be instantaneous.
[ Parent
| on HN ]
Re:The horizon problem for faster than light travel
by psyc on Thursday January 20, 2022 @08:56PM
(#30018230)
It's instantaneous at 100% of light speed (impossible for massive objects). At "near" light speed, you need seventeen nines (0.99999999999999999c) to bring a trip across the galaxy down to a subjective day. I'm not sure how near your idea of "near" is. You also need instantaneous acceleration at both ends, which is quite a requirement.