Re: Fully formed 8-11 billion year old galaxies observed.

From: Jon Kickerston (none_at_nospam.com)
Date: 07/08/04 

Date: Thu, 08 Jul 2004 14:14:11 GMT

"Sam Wormley" <swormley1@mchsi.com> wrote in message
news:40ECB71E.324ABC8D@mchsi.com...
> Etok wrote:
> >
> > Mature galaxies are found 8-11 billion years ago (or 8-11 billion ly
> > distant, take your pick).
> >
> > http://www.spaceref.com/news/viewpr.html?pid=14531
> >
> > Hope this isn't off topic.
> >
>
> Ref: http://www.astro.ucla.edu/~wright/cosmolog.htm#News
> From Ned Wright's Cosmological Tutorial
>
> Most Distant Object Record Smashed
>
> 1 Mar 2004 - Pello et al. have found a galaxy much further away from us
> than any previously known. The evidence comes from a single line
> observed in the infrared which imples a redshift of z = 10. The source
> is seen magnified by a cluster of galaxies, Abell 1935, acting as a
> gravitational lens, and the source location is where sources with 9 < z
> < 11 should be very highly magnified. The colors of the source are also
> very consistent with z = 10. The technical paper and the press release
> both give pictures and spectra of this object. My Cosmology Calculator
> gives for z = 10 and the WMAP cosmic parameters (Ho=71, OmegaM=0.27 in
> a flat Universe) and age of the Universe of 0.48 Gyr at the time the
> light we see was emitted, a light travel time of 13.18 Gyr, and a
> current distance of 31.5 billion light years. This distance is much
> greater than the speed of light times the light travel time because the
> Universe has expanded by factors between 1 and 1+z=11 since the light
> did its traveling.

Nearly 32 billion l.y.? Wow! I guess that challenges the current age of
the universe a bit.

Jon

> See: http://www.astro.ucla.edu/~wright/cosmolog.htm#News

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