Re: Age of the Earth

On Mon, 23 Jan 2006 05:36:56 GMT, "Martin Hutton"
<mdhutton1949NOSPAM@xxxxxxxxxxx> wrote:

>
>On 22-Jan-2006, "Robert J. Kolker" <nowhere@xxxxxxxxxxx> wrote:
>
>> In-Reply-To: <43d3b528.165416562@xxxxxxxxxxxxxxxxxxxx>
>> Xref: Hurricane-Charley talk.origins:424175
>> X-Received-Date: Sun, 22 Jan 2006 09:52:14 MST (be08.lga)
>>
>> Don Cates wrote:
>> >
>> > Anything in free fall in a gravitational field is undergoing
>> > acceleration.
>>
>> How does a blindfolded astronaut in a free falling space wessel know
>> that his not infinitely removed from any gravitating body? All the tests
>> inside the wessel indicate that the inside is an unaccelerated inertial
>> frame (not quite true, but close enough). If the wessel is large enough
>> tidal forces will be observed. If the wessel is made small enough it
>> tidal forces will not be observed because of instrument imperfections
>> and limitations
>>
>> Pavel Checkov
>
>Doesn't gyroscopic instrumentation provide a "universal" frame
>of reference so that the vessel's 3d attitude can be ascertained
>relative to its attitude on gyro start up?
>
>This means that any change in attitude without a corresponding
>acceleration means that a free fall path might be calculated.
>
Why would a vessel have to change attitute while orbitting (ie.
accelerating)?

--
Don Cates ("he's a cunning rascal" - PN)

.

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