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Time dilation would make it possible for passengers in a fast-moving vehicle to travel further into the future while aging very little, in that their great speed slows down the rate of passage of on-board time. That is, the ship's clock (and according to relativity, any human traveling with it) shows less elapsed time than the clocks of observers on earth.
For sufficiently high speeds the effect is dramatic. For example, one year of travel might correspond to ten years at home. Indeed, a constant 1 g acceleration would permit humans to travel through the entire known Universe in one human lifetime.The space travelers could return to Earth billions of years in the future. A scenario based on this idea was presented in the novel Planet of the Apes by Pierre Boulle.
Originally posted by Maxatoria
I'd imagine that its all relative so its like looking at a train while driving a car when both of you are doing 50mph then no one gets there any faster so you both age at the same rate but these sort of numbers are the sort of things that it takes a lot of speed to keep you alive for even a single second longer, theres all sorts of things to consider solar speeds and gravity pulls followed by local star cluster pulls and then even inter galaxy pulls which will all give a slight change to the time
Originally posted by jiggerj
Hi guys,
I was just wondering if anyone knows this: It's been said that astronauts stop aging for a few seconds when they fly out into space (or at least their aging slows down).
So, the faster you go the slower you age.
Now, the earth is traveling at a certain speed as it orbits the sun. Also, our planet is spinning on its axis at a certain speed. If either of these speeds were to slow down, would we start aging faster?
Doesn't it go hand in hand that if the faster you go - the slower you age, and the slower you go - the faster you age?
Originally posted by Biigs
its not my speed that effects my time, its my speed that effects theirs!
Originally posted by blupblup
reply to post by jiggerj
If you could get close to the speed of light, then wow.... just imagine how many years would have elapsed when you come back to earth.
www.fourmilab.ch...
Originally posted by Biigs
i think that relative time effects mass more than speed.
if i go round Jupiter at half light speed, i feel the same, everyone else slows down 50%, if i go round Jupiter at 99% light speed, people go 99% slower - i remain the same as my perception agrees.
its not my speed that effects my time, its my speed that effects theirs!