Professor Edward F. Guinan

Edward F. Guinan, Ph.D. is Professor of Astronomy and Astrophysics at Villanova University. He and two colleagues discovered Neptune’s ring system in 1968.
 
His research interests include binary star systems, pulsating stars, black holes, evolution of the sun and solar-like stars, pulsating red stars, APT (Automatic Photoelectric Telescope) programs, apsidal motion studies, and searching for exoplanets.
 
Ed coedited Close Binaries in the 21st Century: New Opportunities and Challenges and Binary Stars as Critical Tools and Tests in Contemporary Astrophysics (IAU S240) (Proceedings of the International Astronomical Union Symposia and Colloquia). His papers include Evolution of the solar activity over time and effects on planetary atmospheres. I. High-energy irradiances (1–1700 Å), First Hubble Space Telescope Observations of Mira AB Wind-accreting Binary System, and First determination of the distance and fundamental properties of an eclipsing binary in the Andromeda Galaxy.
 
He earned his B.S. degree in physics from Villanova University in 1964 and earned his doctoral degree in astronomy from the University of Pennsylvania in 1970.
 
Watch Epsilon Aurigae: Introduction, Edward Guinan, Villanova University. Read The violent youth of solar proxies steer course of genesis of life and Planet affects a star’s spin. Read his Wikipedia profile.