John Spencer is an astronomer at Lowell Observatory in Flagstaff, Arizona, where he primarily works on observational studies of the Galilean satellites.

September 28, 2021 — Dr. John Spencer, an Institute scientist at Southwest Research Institute, has been named a Fellow of the American Geophysical Union (AGU). Spencer is a planetary …

Earth’s first mission to conduct detailed reconnaissance of Jupiter’s moon, Europa. NASA’s Europa Clipper will determine if this ocean world has environments suitable for life to exist.

Science Team Member, New Horizons Pluto mission, with responsibility for remote sensing observations and Kuiper Belt search. Science Team Associate, Cassini Composite Infrared …

Jan 6, 2002 · John Spencer and Will Grundy, both experts on the compositions and physical behaviors of icy solar system surfaces, are responsible for producing and interpreting surface …

Mar 30, 2010 · Dr. Spencer's primary science interest is using CIRS to measure thermal emission from icy satellites, such as Enceladus, Iapetus, and Mimas.

On NASA's Europa Clipper mission, now on its way to Jupiter arrival in 2030, he is a member of the Ultraviolet Spectrometer team, and deputy PI of the Europa Thermal Emission Imaging …

John Spencer Institute Scientist, Solar System Science and Exploration Division, Southwest Research Institute in Boulder, Colorado.

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