John Spencer's Research Page

Read about my work in my July 2002 scientist profile on the Earth and Sky web site.


Publications: Publication list, recent preprints, etc.

My PhD Dissertation: The Surfaces of Europa, Ganymede, and Callisto: An Investigation using Voyager IRIS Thermal Infrared Spectra. U. Arizona, 1987. Full text and figures are available here.

Selected PowerPoint presentations describing my research

My 1-D thermophysical model, written in IDL, now downloadable for public use.

Research Projects


IRTF Near-Sun Imaging.

IRTF filter housing info, for Ralph and Jim.

How to write CD-ROMs with long file names

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