Friday 09 Nov 2012Colloquium: The Physics of Galaxy Formation: recreating a virtual universe

Prof. Richard Bower - Durham University

Newman F 12:00-13:00

I'll start my talk by reviewing the puzzle of galaxy formation. There are essentially
three problems: why are so few baryons (<10%) able to cool and form stars?
why is there such a sharp cut off in the masses of galaxies? why is are the
largest galaxies old and red? I'll show how including the physics of black-hole
growth can reconsile these issues with the Lambda-CDM model. There are, however,
many problems that still remain to be solved: the interaction of galaxies
with their environment and the deficit of baryons in the haloes of groups and
clusters. I'll provide a hint of recent progress in these areas.

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