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Paper: Bulge Formation by the Coalescence of Giant Clumps in Primordial Disk Galaxies
Volume: 419, Galaxy Evolution: Emerging Insights and Future Challenges
Page: 23
Authors: Elmegreen, B. G.
Abstract: The observations and evolution of clumpy, high-redshift galaxies are reviewed. Models suggest that the clumps form by gravitational instabilities in a gas-rich disk, interact with each other gravitationally, and then merge in the center where they form a bulge. The model requires smooth gas accretion during galaxy growth.
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