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How the Milky Way Built its Disc

Thursday, April 7, 2016
12:00 AM
411 West Hall

The Milky Way is an unusually typical galaxy. Yet, star-by-star, we can observe orbits, ages and the detailed element composition of the stellar birth material. This makes the Milky Way a unique model organism for studying the mechanisms of galaxy formation. Even before the advent of Gaia data, a vast set of spectroscopic stellar surveys has shown us that the Milky Way's disc looks very different -- and must have evolved quite different - from what has been thought a decade ago.