|The Periphery of Disks|
|09:00 Mon 03 Nov to 17:00 Thu 06 Nov 2014|
PowerHouse Museum, Sydney
The majority of all galaxies host disks which evolve in a number of ways and drive the evolution of their host galaxies over cosmic times. Some disks are rich in gas and grow by star formation. However, the details of how this star formation is fueled are still a puzzle as it is still unknown whether galaxies accrete gas from their surroundings or recycle material ejected by dying stars. Furthermore, galaxy disks can run out of gas and stop growing, change size due to low mass mergers, or be destroyed and reformed altogether in major mergers.
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