Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Illustrating what I said above, from Open University, here is the Sun's spectrum:

...and a typical spiral galaxy spectrum:

A redshift of z=9 (which is in the middle of where the JWST wants to look) means that wavelengths expand 10x, that is by an order of magnitude, or one tick mark to the right on the horizontal axis of the above diagram.

*Lunatic*, n.
One whose delusions are out of fashion.

by DoDo on Sun Jan 24th, 2010 at 06:24:39 AM EST
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