Re: What are Quasars made of?
From: Steve Willner (willner_at_cfa.harvard.edu)
Date: 02/14/05
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Date: 14 Feb 2005 15:37:13 -0500
In article <cu1ncp$jup$1@news-nth.ocn.ad.jp>,
"Paul Hollister" <Hollister@Origin-of-Universe.com> writes:
> I don't
> think you intended to alter the meaning of my sentence but that is exactly
> what you've done. Allow me to rewrite the whole sentence and place the
> words in their original context.
Indeed I had no intention of changing your meaning; I just don't want
anyone to be confused about what the standard Big Bang model says.
If I was confused about what you were saying, other people might be
too.
> Within the context of the standard Big Bang model, wherein the
> nucleosynthesis of all hydrogen in the universe was completed within the
> first several minutes of universe existence, the wording "preexistence of
> hydrogen" applies specifically to the process and sequence of galaxy
> evolution. In the context of the single Big Bang Theory, all the hydrogen in
> the universe was in existence long before the appearance of the quasars and
> galaxies.
OK. We agree on this part of what the "single Big Bang Theory" says.
Do we also agree that the theory says that deuterium, helium-3, and
helium-4 were formed more or less at the same time as the hydrogen?
> In the context of this new "Ongoing Big-Bang" Theory of galaxy
> and universe evolution, the nucleosynthesis of hydrogen (baryonogenesis)
> occurs within the quasar and jettison of hydrogen in plasma form by the
> quasar results in the gradual growth and evolution of the galaxy. I think
> this new paradigm is worthy of consideration because the theory accounts for
> both quasar and galaxy evolution and fits the facts of what we see in the
> surrounding visible universe, including the relative abundances and
> distribution of the atomic elements.
It's fun to consider new theories. Does your theory say the Universe
was hotter and denser in the past or not? What abundances do you
derive for deuterium, helium-3, and helium-4, and how do those
abundances change with time? How do you account for the quasar
abundance peak at z=2? In your theory, does the stellar initial mass
function change with time, and if so, how? As you can see, I'm
searching for testable predictions of your theory and how those
predictions differ from those of the standard Big Bang model.
-- Steve Willner Phone 617-495-7123 swillner@cfa.harvard.edu Cambridge, MA 02138 USA (Please email your reply if you want to be sure I see it; include a valid Reply-To address to receive an acknowledgement. Commercial email may be sent to your ISP.)
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