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Old August 23rd 05 posted to sci.physics,sci.physics.relativity
Spoonfed
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Default Galaxies expanding with space? The Space Stretch


John Sefton wrote:
wrote:
Space stretches and this is the cause of the light stretch.

What is your explanation?

Uniform stretch everywhere doesn't work.
This is why shells grow in spirals.

Take 3 towns,; A, B, and C.
B is 10 km north of A. C is 10 km
north of c.

Now double all the distances
in one unit time.

B is now 20 km north of A.
C is now 20 km north of B.

So what?

Well, B moved 10 klicks.
How far did C move? (Hint: B is now
where C used to be.)

Well, B moved 10 klicks. How far
did C move in equal time? What about
D, E, F.....all originally at 10 klick
intervals? Get the picture?

John


So it would seem, B moved 10, C moved 30, D moved 50, E 70, F 90, to
infinity, so of course it looks like somewhere along the way something
must be moving at faster than the speed of light.

However, if you know your Special Relativity, you know that F is both
time dilated and length contracted. G is more so, H is more still, I,
more still, etc. Until you get out to Y which is moving 99.999% of the
speed of light, has experienced, for all intents and purposes, no time
at all, and is still adjacent to Z.

Yes, one second has passed for you, but one second has not passed for
"the universe"

The universe looks like this:
http://www.spoonfedrelativity.com/fi...l-big-bang.gif

Not like this
http://www.spoonfedrelativity.com/fi...lileanreal.gif

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