MadSci Network: Physics

Subject: relativity question related to question id:1102456893.Ph

Date: Fri Feb 4 19:22:42 2005
Posted by Jesse
Grade level: nonaligned School: No school entered.
City: Minneapolis State/Province: MN Country: USA
Area of science: Physics
ID: 1107566562.Ph

Reading this question and response (id: 1102456893.Ph) reminded me of something
I have been curious about, involving hypothetical near or at lightspeed travel.
 In the above referenced question, it deals with how light would percieve time,
if at all, since as something approaches light, time dilation occurs, and
according to relativity, at lightspeed time would esentially stop.

So, with that in mind,  pretend we send out a ship at, or near lightspeed to the
nearest star, which if I am not mistaken in roughly 4 lightyears away.  As
observed from earth the round trip would take around eight years give or take,
correct?  But for the person doing the traveling, would the trip seem
exceptionally short?  or if at lightspeed, instantaneous?   

Re: relativity question related to question id:1102456893.Ph

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