Professor, Astrophysical and Planetary Sciences

Principal Investigator, UVIS Instrument on the Cassini Mission to Saturn

LASP - University of Colorado
1234 Innovation Drive
Boulder, Colorado 80303-7814
Phone: 303-492-5990
Fax: 303-492-6946

LASP - University of Colorado
392 UCB
Boulder, Colorado 80309-0392
Phone: 303-492-7325
Fax: 303-492-6946


Biographical Sketch
Dr. Esposito is the principal investigator of the Ultraviolet Imaging Spectrograph (UVIS) investigation for the Cassini space mission to Saturn. He was chair of the Voyager Rings Working Group. As a member of the Pioneer Saturn imaging team, he discovered Saturn’s F ring. He has been a participant in numerous US, Russian and European space missions and used the Hubble Space Telescope for its first observations of the planet Venus. He was awarded the Harold C. Urey Prize from the American Astronomical Society, The NASA Medal for Exceptional Scientific Achievement, and the Richtmyer Lecture Award from the American Association of Physics Teachers and the American Physical Society.

Dr. Esposito has written his Ph.D dissertation, numerous scientific publications, scholarly reviews on the topic of planetary rings as well as the Cambridge University Press book Planetary Rings. Along with his students and colleagues he continues to actively research the nature and history of planetary rings at the University of Colorado, where he has been since 1977. He is actively designing and proposing future space missions to Venus. He is now Professor of Astrophysical and Planetary Sciences and a member of the Laboratory for Atmospheric and Space Physics (LASP).

He has been an officer of the Division for Planetary Sciences of the American Astronomical Society and of the Committee for Space Research (COSPAR) of the International Council of Scientific Unions. He was chair of the National Academy of Sciences Committee on Planetary and Lunar Exploration (COMPLEX). He is a member of American Astronomical Society and International Astronomical Union and a fellow of the American Geophysical Union.