Physics of Galaxy Evolution
Physics of Galaxy Evolution
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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