Re: Van Flandern & Rethinking Relativity?

From: Gregory L. Hansen (glhansen_at_steel.ucs.indiana.edu)
Date: 01/26/05 

Date: Wed, 26 Jan 2005 18:07:16 +0000 (UTC)

In article <41F7FFAE.6080505@mail.verizon.net>,
Jesse Mazer <vze2ztqw@verizon.net> wrote:
>
>
>Gregory L. Hansen wrote:
>
>>In article <Pine.LNX.4.44.0501261049540.29380-100000@erodium.hep.wisc.edu>,
>>Creighton Hogg <wchogg@hep.wisc.edu> wrote:
>>
>>
>>
>>
>>>Of course, when you draw the worldlines for the two twins, it then becomes
>>>obvious that their situations are not equivalent and hence there is no
>>>paradox.
>>>
>>>
>>
>>You drew the world lines with the Earth at the origin, didn't you? What
>>happens when you draw the world lines with the spaceship at the origin?
>>
>>
>>
>>
>>
>
>Then the spaceship stays at the origin until it accelerates, at which
>point its world line slants away from the origin.

The spaceship doesn't cease to have a reference frame when it accelerates.
It will have an accelerated reference frame, but that accelerated
reference frame will still have coordinates, and the Earth will still have
a trajectory in it. 

-- 
"I'm giving you the chance to look fate in those pretty eyes of hers
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