University of Cambridge > Talks.cam > The Eddington Lectures  > Physical Manifestations of Evolution, Regularity and Chaos In and Around Our Galaxy

Physical Manifestations of Evolution, Regularity and Chaos In and Around Our Galaxy

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Eddingtion Lecture 2017

Our Galaxy is thought to be dynamically young with a fairly smooth potential dominated by a nearly spherical dark matter halo that has evolved little in the last several billion years. These attributes broadly suggest that potential evolution and dynamical chaos should have negligible influences on the orbits of its constituent stars, as well as on the stellar structures they collectively support. This talk reviews some recent results which point to signatures of Galactic evolution and the chaotic nature of stellar orbits that can be (and have been) observed.

This talk is part of the The Eddington Lectures series.

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