Re: Interesting concultural ideas
From: | Michael Poxon <m.poxon@...> |
Date: | Wednesday, December 12, 2001, 16:51 |
You're right there! Though it is likely (I think) that globulars are a
by-product of galaxy formation. Presumably the big ellipticals have largely
eaten their globulars.
Mike
----- Original Message -----
From: "Andreas Johansson" <and_yo@...>
To: <CONLANG@...>
Sent: Tuesday, December 11, 2001 10:23 PM
Subject: Re: Interesting concultural ideas
> Anton Sherwood:
> >Andreas Johansson wrote:
> > > Also, why wipe the arms of a spiral galaxy, then the universe teems
with
> > > elliptical galaxies that're basically spiral ones without arms? As a
> > > bonus, elliptical galaxies are found in a much wider variety of sizes
> > > that spiral ones (from much much smaller than the smallest spiral ones
> > > to several times bigger than the biggest spiral ones).
> >
> >Is there a continuum from big globular clusters to small elliptical
> >galaxies? Or are these essentially different things?
>
> Oddly enough, the question hasn't been addressed in any book I've read. I
> THINK they are essentially different things, but I could be wrong. Many,
> prehaps all, large elliptical galaxies have been fromed by collisions
> between spiral ones (which have the effect that the farther a galaxy is
from
> us the less likely it is to be elliptic), which presumeably makes them
> essentially different things from small elliptic galxies that formed as
> satellites of spiral ones, altho' they look much the same apart from size.
> But galaxy fromation is still a poorly understood subject.
>
> Andreas
>
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