Re: SR time dilation on remote objects ?
From: vonroach (hadrainc_at_earthlink.net)
Date: 07/16/04
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Date: Fri, 16 Jul 2004 23:55:58 GMT
On Fri, 16 Jul 2004 15:21:31 +0200, Bjoern Feuerbacher
<feuerbac@thphys.uni-heidelberg.de> wrote:
>vonroach wrote:
>> On Thu, 15 Jul 2004 20:50:10 -0700, "N:dlzc D:aol T:com \(dlzc\)" <N:
>> dlzc1 D:cox T:net@nospam.com> wrote:
>>
>>
>>>Dear vonroach:
>>>
>>>"vonroach" <hadrainc@earthlink.net> wrote in message
>>>news:q85df053uaf33gda7sghotgpou4jpj50lt@4ax.com...
>>>
>>>>On Wed, 14 Jul 2004 20:59:27 -0700, "N:dlzc D:aol T:com \(dlzc\)" <N:
>>>>dlzc1 D:cox T:net@nospam.com> wrote:
>>>>
>>>>
>>>>>Dear vonroach:
>>>>>
>>>>>"vonroach" <hadrainc@earthlink.net> wrote in message
>>>>>news:gicbf01ouf5m6dk73t1e5l3gcq248l3cl2@4ax.com...
>>>>>
>>>>>>On Tue, 13 Jul 2004 16:45:21 -0700, "N:dlzc D:aol T:com \(dlzc\)" <N:
>>>>>>dlzc1 D:cox T:net@nospam.com> wrote:
>>>>>>
>>>>>>
>>>>>>>Neglecting other observations, the red shift could be due to kinetic
>>>>>>>velocity, yes. Including the proportional "dilation" of the duration
>>>
>>>of
>>>
>>>>>a
>>>>>
>>>>>>>Type I supernova.
>>>>>
>>>>>>Davy, seriously, are you nuts?
>>>>>
>>>>>No. Are you deef?
>>>
>>>>Davy, I may be. What is `potential velocity' or perhaps `static
>>>>velocity'.
>>>
>>>I don't recall saying either of those. The term I used was "kinetic
>>>velocity" (SR or Newton), as opposed to "apparent velocity" (GR).
>>>
>>>
>>>> And what is the `proportional dilation of the duration of
>>>>a supernova?
>>>
>>>A "local" Type I supernova takes a certain number of days to go from
>>>maximum intensity, to some proportion of that intensity. As Type I
>>>supernovae are observed that are more remote, we find that the amount of
>>>time between maximum, and that arbitrary "ending threshold" is increased.
>>>The increase in the duration between maximum and cutoff intensities, is
>>>proportional to the redshift of identified spectra from these sources. Is
>>>that marginally more clear?
>>>
>>>David A. Smith
>>
>>
>> Yes, the type I are more remote,
>
>He did not say that. He only said that the type I supernova which *are
>observed* (in cosmology) are more remote.
What are we discussing? I hope we aren't talking about imagination.
>
>> introducing more potential
>> complications into the observation.
>
>Obviously, yes. Care to explain why the results from the analysis
>of the supernova are not only internally consistent, but also consistent
>with other types of observations?
Care to cite some reference to this beyond a general statement. As I
had often said, I'm a skeptic.
>
>> Kinetic is usually opposed to
>> potential. Now apparent is added. One might guess that real or
>> relative velocity would be better.
>
>So a relative velocity is not "real", or what?
>
>
>Bye,
>Bjoern
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