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On Tue, Nov 07, 2000 at 08:25:06PM +0000, Jude Beaudin wrote:
> If a ship travels for 5 light years at .5c, for whom will the trip take 10
> years? The occupants or an observer outside the ship?
heh. depending who you ask. for the dude in the ship, the _world_ is moving
at .5c, and so the world is aging slower. (btw, it's not a 1/x ratio,
I think it's closer to a 1/x^2, but highschool was a long time ago...).
For the people on earth, the ship is moving at .5c, and therefore the
people on the ship will age slower.
I think. IANAP :P
--
Dan Boger / dan@peeron.com / www.peeron.com / ICQ: 1130750
<set:1490_1>: Bank (LEGO/SYSTEM/Town), '90, 3 figs
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Message has 1 Reply:
 | | Re: Relativity Question
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| (...) Let me rephrase the question: If a man travels on a ship away from earth for 5 light years at .5c, then returns to earth at .5c, who will have aged 20 years, the occupant or his twin who stayed on earth? Jude (26 years ago, 7-Nov-00, to lugnet.off-topic.geek, lugnet.space)
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