Research Interests include comets, planetary science, and exoplanets. From 1970 to 1975, Dr. Hanner was a co-Investigator on Pioneer 10/11, the first space probes sent to Jupiter. After two years as a Visiting Scientist at the Max Planck Institute for Astronomy in Heidelberg, she spent 25 years as a Senior Research Scientist at Caltech/JPL. There, Dr. Hanner worked on several space missions, including Galileo Jupiter Orbiter, ESA's Giotto Halley flyby, and the Stardust Comet Sample Return. Here at UMass, she taught the honors section of Astro 101. "Exploring the Solar System", for several years, as well as the seminar on expoplanets.