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avatar for U.J. Sofia

U.J. Sofia

American University
Professor, Department of Physics
Ulysses J. (U. J.) Sofia primarily uses data from the Hubble Space Telescope's ultraviolet spectrometer—an instrument that spreads images of invisible light waves into their component colors—to determine how interstellar dust of different shapes, sizes, and composition distorts light in varied ways. Astronomers use this information to devise ways to control for the dust in their observational data.

He is also working with his father, Yale University astrophysicist Sabatino Sofia, on an international project aimed at measuring the sun's temperature and size over time. These measurements will help determine how much energy the sun is releasing.

PhD, Astronomy with a concentration in Physics, University of Wisconsin-Madison
BA, Astronomy with High Honors, Wesleyan University