Quote:
Originally Posted by Jay-qu
No need to wait for FTL drives Renormalised, we just need to hit 1g sustained acceleration.
By my calculations, a trip to Gliese 581 (20light years) should take ~5 years (due to relativistic time dilation), though in Earth time it would be more like ~22 years. So a round trip, while only taking 10 years (+time to explore) will return you 44 years after you left..
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If you want to be able to explore the close by systems and not have to wait a human lifetime for anything to happen, you're going to have to forget about GR and glorified skyrockets as your means of travel.
Quite frankly, I don't want to have to rely on time dilation as a means of exploring the galaxy. That would be even more so for those left behind.