Abstract: Gerard P. Kuiper discovered the atmosphere of Titan by photographic spectroscopy in 1944; in 1946, he turned his attention to planetary spectroscopy beyond the limits of photographic emulsions. Many discoveries were quick to follow. Cruikshank will talk about these discoveries as well...

Abstract: In the early 1980s, worlds in the outer solar system were being seen up close for the first time. Sykes discovered large new structures in the inner solar system studying data from a small satellite named IRAS. Comet trails (looking for all the world like airplane contrails in space)...

Colin Dundas is Postdoctoral Research Associate and holds his Ph.D. in Planetary Sciences from the University of Arizona. His research interests include: planetary geomorphology and surface processes, particularly focusing on the surface of Mars. I use a combination of image analysis (largely...