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This Week at Physics

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Event Number 2793

  Thursday, October 4th, 2012

Astronomy Colloquium
Probing the Gas Around Galaxies and Black Holes
Time: 3:30 pm
Place: 4421 Sterling Hall
Speaker: Aleks Diamond-Stanic, UC San Diego
Abstract: Our understanding of galaxy evolution centers around questions of how gas gets into galaxies, how it participates in star formation and black hole growth, and how it is returned to its galactic
surroundings via feedback. I will present results on the relationship between gas that forms stars and gas that accretes onto supermassive black holes, and the nature of feedback that is capable of removing gas from galaxies. These results have important implications for how radiation, momentum, and kinetic energy from stars and black holes regulate the cold gas supply in
galaxies. I will also discuss prospects for characterizing the physical properties of gaseous outflows and inflows using existing and future facilities.
Host: Christy Tremonti
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