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The First Galaxies in the Universe$
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Abraham Loeb and Steven R. Furlanetto

Print publication date: 2013

Print ISBN-13: 9780691144917

Published to Princeton Scholarship Online: October 2017

DOI: 10.23943/princeton/9780691144917.001.0001

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Physics of Galaxy Evolution

Physics of Galaxy Evolution

(p.251) Chapter Eight Physics of Galaxy Evolution
The First Galaxies in the Universe

Abraham Loeb

Steven R. Furlanetto

Princeton University Press

This chapter examines galaxies in some detail from a largely theoretical perspective. Along the way, one must bear in mind that, although the described progression of events in this chapter is plausible, at this time it is only a conjecture in the minds of theorists that has not yet been confirmed by observational data. This chapter therefore focuses only on the physics that drive these interstellar objects, showing how the earliest dwarf galaxies eventually merged and made bigger galaxies. A present-day galaxy like our own Milky Way was constructed over cosmic history by the assembly of a million building blocks in the form of the first dwarf galaxies.

Keywords:   galaxy evolution, galaxies, dwarf galaxies, Milky Way, cosmic history, first dwarf galaxies, high-redshift galaxies, halo mergers, disk formation

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