Subject:
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Re: Support for a 'young' earth.
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Newsgroups:
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lugnet.off-topic.debate
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Date:
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Tue, 6 Feb 2001 17:24:15 GMT
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Viewed:
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127 times
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> You're also forgetting a very important thing called angular momentum.
> This can change over time; for an example, if you take a beach
> ball, set it spinning, and hit it at an angle with a small, high-
> speed object, you change its speed. There have likely been extensive
> variances of the Earth's speed over time; and as another person has
> pointed out, the speed of the planet has varied considerably (and
> there is evidence of this).
>
> However, the processes that control angular momentum in planets are
> not fully understood, in part because the earth's mantle and core
> may be involved in acceleration and deceleration of the planet's
> spin. This would most likely be tied to the shift in magnetic poles
> and "precession" of the poles over the period (23,000 years, IIRC)
> of the planet's "wobble." The earth is doing many other things
> besides merely spinning.
And don't forget that earth is basically spinning within a vacuum! Of course a spinning ball in our atmosphere soon gets slower and
will stop, but
without friction a ball (even a big ball called earth) will spin for a VERY long time almost in a constant speed.
Arnold
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Message is in Reply To:
 | | Re: Support for a 'young' earth.
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| (...) I'll point to the talk.origins clearinghouse site, which is one of the best catch-all refutations of the Creationist argument (and exploration of misconceptions about Evolution that cause otherwise intelligent people to subscribe to Creation (...) (24 years ago, 6-Feb-01, to lugnet.off-topic.debate)
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