Towson, Md. (November 3, 2010): With over $637,000 in funding as a recent recipient of the National Science Foundation’s (NSF) prestigious CAREER award, Jennifer E. Scott, assistant professor in the Department of Physics, Astronomy, and Geosciences will spend the next four years investigating the effects of the intergalactic medium (IGM) and quasars on galaxy formation and evolution. Her inquiry will focus on the relationship between IGM, galaxies, and the ultraviolet background (UVB) radiation field. The IGM itself is the reservoir of material out of which galaxies are formed while the UVB radiation field governs the thermal and ionization balance in the IGM. Scott is looking to improve measurements of the UVB in both the nearby and the distant universe. The effects of galaxies on the IGM in terms of their ionization signatures in both hydrogen and helium in the intergalactic medium are another focus of Scott’s research; while quasars (bright active galaxies hosting super massive black holes in their centers) will be investigated to determine if normal galaxies cluster more strongly around quasars than with each other. The formation and growth of black holes over cosmic time is a problem that many astronomers are addressing with both observations and in theoretical models today.
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