Physics
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1240..267j&link_type=abstract
HUNTING FOR THE DARK: THE HIDDEN SIDE OF GALAXY FORMATION. Edited by Victor P. Debattista and Cristina C. Popescu AIP Conferen
Physics
Star Formation, Galactic Centre, Dark Matter, Galaxies, Accretion, Star Formation, Galactic Center, Bar, Circumnuclear Matter, And Bulge, Dark Matter, Origin, Formation, Evolution, Age, And Star Formation, Infall, Accretion, And Accretion Disks
Scientific paper
The tremendous increase in the number of stars catalogued in surveys in the recent-past have allowed us to probe the (dim, if not dark!) edges of stellar distributions in space and velocity. We have found giants streams of stars surrounding nearby galaxies; high velocity stars presumably shot out from the Galactic Center; and a new population of Galactic satellites. Future surveys promise a similar order-of-magnitude increase in numbers in the next decade. In this contribution, I review some things that these seemingly insignificant tails to spatial-dynamical stellar distributions might tell us about how galaxies form and evolve, and the structure of the dark matter halos that surround them.
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