Quote:
Originally Posted by Cougar
[Tim Thompson, above, already linked to this article, but I think it's worth pointing to again: [url=http://arxiv.org/abs/0707.0380]"Expanding Space: The Root of All Evil?"
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I wanted to read Francis´ paper in the weekend, but I started last night and I couldn´t stop.
Extremely interesting aspects I´ve never thought of (although you, Ken G, and some other experts might say: nothing really new). And I assume I understood, say 60 to 70 %, of it. But then, when it comes to “The Expansion of Space and Redshift”:
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The key is to make it clear that cosmological redshift is not … a gradual process caused by the stretching of space a photon is travelling through. Rather cosmological redshift is caused by the photon being observed in a different frame to that which it is emitted. (my bold)
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Now I´m really lost. Which doesn´t mean that I´m disappointed. On the contrary. I know that there´s something beyond my knowledge, but I feel that it seems to be “true”. I would be more happy if I understood it. Well, I´ll start to think more about redshift in the context of Francis´ paper.
Thanks again for your and Tim Thompson´s link to his paper