November 14, 2006 03:30PM
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Registered: 19 years ago
Posts: 9,975
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David Johnson Wrote:
-------------------------------------------------------
> Sorry but they do. Have a look at Ursa Major
> today, for example, and its shape was completely
> different 10s of thousands of years ago. Try
> NASA's web site for kids
Hmmm... I hunted around the NASA site but couldn't find anything regarding this specific topic.
Following a wider search, I turned up this:
Quote
Indeed, our eyes cannot see stars moving relative to each other from night to night, or even from one generation to the next. The constellations look essentially the same as those described by astronomers thousands of years ago.
[
newton.nap.edu]
But then again, I found this:
Quote
Planets can cause the appearance of a constellation to change, this is due to the relative motion of the Earth, the other planets and the 'fixed' stars. The following link shows an animation with planets and constellations and how they move. Watch the animation at the bottom of the page. You need to describe how this could make the appearance of the constellations look different!
[
www.cornwallastro.info]
The link to the animation doesn't work, though.
I fully understand that we might be able to see significant differences over hundreds of thousands of years... but just a few thousand years would hardly be enough to have the expansion of the universe be noticeable.
Wouldn't it?
Ah, but then I did find comparative pictures of the Big Dipper.
This is designated as 50,000 years ago:
Today:
and 50,000 years from now:
[
library.thinkquest.org]
That's 100,000 years to get that much difference. Although I think that if we are using "accuracy" as evidence of intent this would make a difference, the premise is entirely flawed in the first place (the degree of coincidence is not an indication of the intended outcome).
Anthony
You can lead a horse to water but you can't make him think.
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Don Barone |
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Hans |
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Anthony |
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Dave L |
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Anthony |
November 13, 2006 11:08AM |
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Hans |
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Anonymous User |
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C Wayne Taylor |
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Anonymous User |
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Anthony |
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C Wayne Taylor |
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Anthony |
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David Johnson |
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Anthony |
November 13, 2006 11:07AM |
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David Johnson |
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Anthony |
November 14, 2006 03:30PM |
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Don Barone |
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David Johnson |
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Andrew Collins |
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Andrew Collins |
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Chris Tedder |
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Chris Tedder |
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