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Fraser
2008-Jul-10, 08:40 PM
This galaxy, Zw II 96 (about 500 million light-years away) resembles the Baby Boom galaxy which lies about 12.3 billion light-years away and appears in images as only a smudge. A group of telescopes got together recently to check out a little hanky-panky going on in the very remote universe. The Hubble and Spitzer [...]

More... (http://www.universetoday.com/2008/07/10/baby-boomer-galaxy-found/)

Michael Noonan
2008-Jul-11, 02:08 PM
The hierarchical model is taking a bit of a hammering here according to http://www.space.com/scienceastronomy/080710-star-birth.html (space.com/scienceastronomy).


Such rapid-fire starbirth and growth confounds theory.

In the so-called Hierarchical Model of galaxy formation, galaxies are supposed to slowly bulk up their stars over time by absorbing tiny pieces of galaxies, rather than in one big burst.