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Re: Galaxies precess

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Thomas 'PointedEars' Lahn <PointedEars@web.de> wrote:
> pnalsing@gmail.com wrote:
>> Interesting article, John, but like all the various sciences, theories
>> are constantly being modified based on continuing research, and the
>> conclusion of this particular study is not at all surprising to me. I
>> have always felt that categorizing galaxies into specific little boxes
>> was somehow not telling the whole story, and that there was some kind of
>> continuum between these categories, which might show connections between them.
>> 
>> In this case, if you had read the article carefully you might have
>> noticed this statement...
>> 
>> "... But because stars in a thin disc rotate much faster than those in a
>> spheroid, obtaining maps of stellar motions for all elliptical galaxies
>> in the sample, we have shown that out of these 66% are disc-like."
>> 
>> So, even if the number of galaxies formerly classified as being
>> spherical has been reduced by about 66%, that still leaves 34% of them
>> as being actual spherical galaxies, which DO NOT have associated disks.
> 
> Galaxies have *never* been *classified* as “spherical”, and are NOT going to
> be (read again).  In the Hubble sequence, galaxies are classified as either
> _spiral_ (S), _elliptical_ (E), or _lenticular_ (S0) which is a mix between
> the two.
> 
> Spiral galaxies are subclassified according to how much their their spiral
> arms and bulges are pronounced, for example; elliptical galaxies according
> to their ellipticity.  Thus, a spherical galaxy is classified as E0
> (elliptical zero).
> 
> So there has always been “a continuum between them”.
> 
> <https://en.wikipedia.org/wiki/Galaxy_morphological_classification>
> <https://en.wikipedia.org/wiki/Elliptical_galaxy>
> 

Not to mention Irregulars. Of which there are quite a few. But doesn’t fit
with John’s ideas so they must not count. 

-- 
Odd Bodkin — Maker of fine toys, tools, tables

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Galaxies precess john <johnsefton288@gmail.com> - 2019-02-05 05:34 -0800
  Re: Galaxies precess moroney@world.std.spaamtrap.com (Michael Moroney) - 2019-02-05 16:41 +0000
    Re: Galaxies precess Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2019-02-05 18:34 +0100
      Re: Galaxies precess Serg Io <invvalid@invalid.com> - 2019-02-05 15:33 -0600
  Galaxies precess pnalsing@gmail.com - 2019-02-05 09:41 -0800
    Re: Galaxies precess mitchrae3323@gmail.com - 2019-02-05 12:03 -0800
  Re: Galaxies precess Double-A <double-a3@hush.com> - 2019-02-05 14:02 -0800
    Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-05 17:06 -0800
      Re: Galaxies precess Odd Bodkin <bodkinodd@gmail.com> - 2019-02-06 01:35 +0000
      Re: Galaxies precess Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2019-02-06 02:54 +0100
        Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-06 01:29 -0800
          Re: Galaxies precess pnalsing@gmail.com - 2019-02-06 17:53 -0800
            Re: Galaxies precess mitchrae3323@gmail.com - 2019-02-06 18:36 -0800
              Re: Galaxies precess pnalsing@gmail.com - 2019-02-06 20:24 -0800
            Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-07 00:20 -0800
              Re: Galaxies precess moroney@world.std.spaamtrap.com (Michael Moroney) - 2019-02-07 13:30 +0000
              Re: Galaxies precess pnalsing@gmail.com - 2019-02-07 10:43 -0800
                Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-07 13:01 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-07 14:38 -0800
                Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-07 15:03 -0800
                Re: Galaxies precess Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2019-02-08 00:03 +0100
                Re: Galaxies precess mitchrae3323@gmail.com - 2019-02-07 18:52 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-07 20:59 -0800
                Re: Galaxies precess mitchrae3323@gmail.com - 2019-02-08 15:48 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-08 16:05 -0800
                Re: Galaxies precess mitchrae3323@gmail.com - 2019-02-08 16:08 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-07 20:43 -0800
                Our Milky Way Galaxy is (roughly) spherical. Jeff-Relf.Me  @. - 2019-02-08 01:10 -0800
                Re: Galaxies precess Odd Bodkin <bodkinodd@gmail.com> - 2019-02-08 13:26 +0000
                Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-08 05:34 -0800
                Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-08 05:36 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-08 12:29 -0800
                Re: Galaxies precess john <johnsefton288@gmail.com> - 2019-02-08 13:29 -0800
                Re: Galaxies precess pnalsing@gmail.com - 2019-02-08 15:57 -0800

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