Re: expansion of the universe

[Bernard Cleyet <anngeorg@PACBELL.NET>]

does everything in that scenario scale the same, and otherwise one could
detect that expansion?

bc


J Montgomery wrote:

> If everything scaled the same we wouldn't be able to detect a change =
> in
> distance, would we?  Or am I misunderstanding the question?
>
> Julie Montgomery
>
> -----Original Message-----
> =46rom: Bernard Cleyet [mailto:anngeorg@PACBELL.NET]
> Sent: Friday, March 15, 2002 1:01 PM
> To: PHYS-L@lists.nau.edu
> Subject: Re: expansion of the universe
>
> And how would know?  e.g. would everything scale the same?
>
> bc
>
> Jim Green wrote:
>
> > > the density must decrease.) Individual ants don't get
> > > larger in size, but the distance between them increases.
> >
> > I must confess that in my senility I worry that cosmology is just
> mumbo
> > jumbo, but understanding the above might help:
> >
> > Why don't the ants get bigger?  If the distance between ants
> increases, why
> > doesn't the distance between ant molecules increase.
> >
> > Jim Green
> > mailto:JMGreen@sisna.com
> > http://users.sisna.com/jmgreen