Re: How does this galaxy change formation theories?

"Yousuf Khan" <yjkhan@xxxxxxxxx> wrote in message
news:1127938174.312465.302510@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> In this story:
>
> http://www.space.com/scienceastronomy/050927_massive_galaxy.html
>
> [quote]The galaxy, named HUDF-JD2, is seen as the universe was only
> about 800 million years old. The universe today is about 13.6 billion
> years old.
>
> "This galaxy appears to have 'bulked up' amazingly quickly, within a
> few hundred million years after the Big Bang," said Bahram Mobasher of
> the European Space Agency and the Space Telescope Science Institute.
> "It made about eight times more mass in terms of stars than are found
> in our own Milky Way today, and then, just as suddenly, it stopped
> forming new stars. It appears to have grown old prematurely."
> [/quote]
>
> If this young galaxy is so massive and so red like an old galaxy, would
> that push back the age of the Universe several billion years?

No, a simpler explanation would be that an unusually large
knot of matter happened to exist that formed a galaxy
very early. The Big Bang theory does not rule out a certain
amount of unevenness in the distribution of matter.


.

Relevant Pages

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