Galaxy Evolution: What Do We Need To Know?

Details Galaxy Evolution: What Do We Need To Know? Galaxy Evolution: What Do We Need To Know?

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1035..289w&link_type=abstract

THE EVOLUTION OF GALAXIES THROUGH THE NEUTRAL HYDROGEN WINDOW. AIP Conference Proceedings, Volume 1035, pp. 289-295 (2008).

Physics

Galactic Halo, Origin, Formation, Evolution, Age, And Star Formation, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Radio Telescopes And Instrumentation, Heterodyne Receivers, Interstellar Medium And Nebulae In External Galaxies, Accretion And Accretion Disks

Scientific paper

While we know a great about the evolution of the stellar content of galaxies, our understanding of the evolution of the gaseous content is relatively shallow. Despite a handful of notable recent observations we know little about the H I content of galaxies at intermediate or high redshift. We are just beginning to realize how little we know about the gas content of galactic halos, and the role of H I in the star formation process remains controversial. This contribution describes what it is that we need to know in order to have a better understanding of the role of H I in the formation and evolution of galaxies.

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