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Welcome to Larry Marschall's web pages.  I am Professor of Physics, Emeritus at Gettysburg College where I taught courses in astronomy and physics for 43 years, as well as occasional courses in the history and philosophy of science and science writing. My research includes observational studies of stellar evolution, including binary stars, exoplanet transits, and supernovae, studies of asteroids, and astronomy education.  I've also traveled to many solar eclipses, since 1980, both for pleasure and for research. I'm the Principal Investigator of Project CLEA, which develops innovative laboratory exercises for astronomy classes. I'm also an active popular science writer, author of three books and many articles, as well as a regular columnist for Natural History magazine (and before that, for The Sciences), and a deputy press officer of the American Astronomical Society.

For further information please use the buttons at the left to select pages of interest. I hope these pages are informative and helpful, and please inform me of any errors or omissions.

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