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Cosmic Voids and Void Galaxies

Cosmic Voids and Void Galaxies

Cosmic Voids and Void Galaxies. Michael S. Vogeley Department of Physics Drexel University vogeley@drexel.edu. KIAS Workshop , October 27-28, 2008. SDSS galaxy map. Voids as Cosmic Laboratories. Voids form by gravity through expansion of initially underdense regions

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637 views • 37 slides
Observations of the evolution of HI in galaxies across different environments.

Observations of the evolution of HI in galaxies across different environments.

Observations of the evolution of HI in galaxies across different environments. D.J. Pisano (West Virginia University). Why study galaxy environment?. Nature vs. Nurture Can they be distinguished? What does the environment do to a galaxy?

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424 views • 32 slides
Galaxy Voids

Galaxy Voids

Galaxy Voids. by Chooi Fei Ng and Aron Cooper. This false-color optical map, covering about 4300 square degrees, or 10 percent of the sky, shows the distribution in space of some 2 million galaxies. Void. Voids are the dominant feature and have a typical diameter of ~ 30Mpc.

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431 views • 31 slides
Rotation of Cosmic Voids (Lee & Park 2006, ApJ in press, astro-ph/0606477)

Rotation of Cosmic Voids (Lee & Park 2006, ApJ in press, astro-ph/0606477)

Rotation of Cosmic Voids (Lee & Park 2006, ApJ in press, astro-ph/0606477). Jounghun Lee & Deaseong Park (Seoul National University). OUTLINE. Origin and properties of voids Questions about voids yet to be answered A new nonparametric model for voids key assumptions analytic predictions

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307 views • 22 slides

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