Re: Cosmology

[cliff parker <cparker@CHARTER.NET>]

Leigh Palmer wrote:

> There is no evidence that our galaxy is expanding. The universe is
> expanding according to evidence of a couple of kinds, but none of
> that evidence arises from observation of objects within our galaxy.
> No external galaxy is seen to be expanding, either.

I am by no means a cosmologist, but I do enjoy reading and thinking about such
things.  I think I understand why you are saying that the evidence of the
expansion of our universe is not found within our galaxy or by observation of
other galaxies.  I wonder though why you would so definitively state that our
galaxy is not expanding.  If the Milky Way was expanding at a rate similar to
that observed in the universe at large would we have techniques capable of
measure this expansion on scales as small as our galaxy?  Perhaps I am missing
something obvious.

My small mind is having trouble thinking about what it means to have a universe
that is stretching the fabric of space-time as we speak but somehow the patch
of fabric that we occupy remains un changed.  Any help??

--
Cliff Parker

Never express yourself more clearly than you can think.  --  Niels Bohr