Episode 51: Quasar Storms of the Early Universe, with Sarah Gallagher

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Feature Guest: Sarah Gallagher

Quasars are among the most energetic and mysterious phenomena of the ancient universe. Spiralling gas is heated to such extremes that the neighbourhood around the quasar glows brighter than the entire surrounding galaxy. In the process, quasars generate dust grains, winds and storms of unimaginable violence. To help us understand the growing pains of the young universe, today Sarah Gallagher joins Justin Trottier at The Star Spot.

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About our Guest

Sarah Gallagher is assistant professor of physics and astronomy at the university of western ontario. She completed a  Spitzer postdoctoral fellowship in 2006 based on her studies of quasar winds. Since her PhD work she has specialized in X-ray studies of these active supermassive black holes at the centres of distant and ancient galaxies. Gallagher has worked at Penn State, MIT, and UCLA and at NASA observatories Spitzer and Chandra. A well rounded individual, Gallagher has coached soccer and has an interest in art history.

Links

Sarah Gallagher Western Webpage

Western News In Profile

Chandra X-Ray Observatory

Spitzer Space Telescope

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