Kenneth wrote:
> In other words, does the *relatively*
> vast space inside an atom itself--between the nucleus and its electrons--also
> expand? 

Sure. But then the electrons move closer to the nucleus again.

The math of quantum mechanics all works only if you assume quarks and 
electrons and photons are all mathematical points. So the electrons 
themselves don't expand.

> I find that every time I read about this particular subject, the explanation
> seems to be different than the *previous* explanation I've read. :-/ One
> particularly vexing explanation is this one (which seems kind of dubious): That
> the space between galaxy *clusters* expands, but the space between the galaxies
> *in* the cluster doesn't--"because local gravity effects overwhelm the greater
> cosmic expansion." That may well be true--from a simple observational
> standpoint--but it's no real answer to the more basic question, IMHO.

Because space expands slowly enough that the stars will fall back together 
again faster than the space is expanding, is what I think they're saying.

-- 
Darren New, San Diego CA, USA (PST)
   Serving Suggestion:
     "Don't serve this any more. It's awful."

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