Re: Age of the Earth


Ye Old One wrote:
> On 20 Jan 2006 01:24:02 -0800, "The Last Conformist"
> <andreasj@xxxxxxxxx> enriched this group when s/he wrote:
>
> >
> >Ye Old One wrote:
> >> On 19 Jan 2006 10:15:21 -0800, "The Last Conformist"
> >> <andreasj@xxxxxxxxx> enriched this group when s/he wrote:
> >>
> >> >>
> >> >> Nope. It requires onboard sensors capable of telling it EXACTLY what
> >> >> it is doing.
> >> >
> >> >Why on earth (or rather above the earth) would it do that? It's in
> >> >orbit, just like the moon, and I'm pretty sure you won't claim we can't
> >> >keep track of where *that* is without sensors on it to measure the
> >> >curvature of its path.
> >>
> >> It would not be a great deal of good if all it did was orbit.
> >
> >Who ever claimed the space shuttle was particularly useful?
>
> We find out how useful it is every time it get grounded.
> >
> >Now, please answer my question.
>
> I thought I did.

You thought wrong.

> Oh yes, I did, sorry to hear you have reading
> problems.

If we're supposed to insult one another, you appear to have thinking
problems.

> The shuttle needs to know every second of every day EXACTLY where it
> is. To do that it relies a lot on onboard sensors. Why are you having
> such a problem in understanding that?

Because it isn't true. Its position is tracked by a mixture of dead
reckoning and triangulation wrt to external reference points.

It's in free fall. By one of the fundamental postulates of modern
physics, viz. the equivalence principle, local measurements can't tell
it's following a curved path.

.

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