I am an astrophysicist and professor of physics and astronomy at Queen's University in Kingston, Ontario, Canada. My research focuses on spiral galaxies that are edge-on to the line of sight. By viewing systems with this orientation it is possible to study the faint halos (gas, dust and magnetic fields) that surround the thin spiral disks. The background image of this web site is an example and shows a composite of 30 galaxies made by myself and Jayanne English. See our press release for more information.
Second edition of mid-level undergraduate text published 2021
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 Upper level undergraduate text published 2023
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Our new Chickadee Ridge Observatory. Click below for a 5 minute video featuring the former owner and developer of the observatory
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