That’s not right. At close to the speed of light the trip is almost instant for the traveller. It is only 25k years for an observer. At speeds close to the spe

That’s not right. At close to the speed of light the trip is almost instant for the traveller. It is only 25k years for an observer. At speeds close to the speed of light a human could travel to the wedge of the known _universe_ in a lifetime.