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Robert L. Marcialis
Researcher at University of Arizona
Publications - 52
Citations - 1699
Robert L. Marcialis is an academic researcher from University of Arizona. The author has contributed to research in topics: Pluto & Occultation. The author has an hindex of 17, co-authored 52 publications receiving 1624 citations. Previous affiliations of Robert L. Marcialis include Pima Community College & Jet Propulsion Laboratory.
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Journal ArticleDOI
Distribution of Hydrogen in the Near-Surface of Mars: Evidence for Subsurface Ice Deposits
William V. Boynton,W. C. Feldman,S. W. Squyres,Thomas H. Prettyman,J. Brückner,Larry G. Evans,R. C. Reedy,R. C. Reedy,R. D. Starr,James R. Arnold,D. M. Drake,P. Englert,Albert E. Metzger,I. G. Mitrofanov,Jacob I. Trombka,Claude d’Uston,Heinrich Wänke,Olivier Gasnault,D. K. Hamara,Daniel M. Janes,Robert L. Marcialis,Sylvestre Maurice,I. Mikheeva,G. J. Taylor,R. L. Tokar,C. Shinohara +25 more
TL;DR: The Gamma-Ray Spectrometer on the Mars Odyssey has identified two regions near the poles that are enriched in hydrogen, and it is suggested that the host of the hydrogen in the subsurface layer is ice, which constitutes 35 ± 15% of the layer by weight.
Journal ArticleDOI
Imager for Mars Pathfinder (IMP) image calibration
R. J. Reid,Pete Smith,Mark T. Lemmon,R. Tanner,M. Burkland,E. Wegryn,J. Weinberg,Robert L. Marcialis,Daniel T. Britt,N. Thomas,R. Kramm,A. Dummel,Devon G. Crowe,Brent J. Bos,James F. Bell,P. Rueffer,Fritz Gliem,Jeffrey R. Johnson,Justin N. Maki,Kenneth E. Herkenhoff,Robert B. Singer +20 more
TL;DR: The Imager for Mars Pathfinder returned over 16,000 high-quality images from the surface of Mars with <5% radiometric uncertainty as mentioned in this paper, and the photometric properties of two radiometric targets were also measured with 3% uncertainty.
Journal ArticleDOI
The size, shape, density, and Albedo of Ceres from its occultation of BD+8°471
Robert L. Millis,Lawrence H. Wasserman,Otto G. Franz,R. A. Nye,R. C. Oliver,Tobias J. Kreidl,S. E. Jones,William B. Hubbard,Larry A. Lebofsky,R. Goff,Robert L. Marcialis,Mark V. Sykes,J. Frecker,Donald M. Hunten,B. H. Zellner,H. Reitsema,Glenn Schneider,E. W. Dunham,J. J. Klavetter,Karen J. Meech,Terry D. Oswalt,J. Rafert,E. Strother,Julian A. Smith,H. Povenmire,B. Jones,D. Kornbluh,L. Reed,K. Izor,M. F. A'Hearn,R. Schnurr,Wayne Osborn,D. Parker,W.T. Douglas,J.D. Beish,Arnold R. Klemola,M. Rios,A. Sanchez,J. Piironen,M. Mooney,R.S. Ireland,D. Leibow +41 more
TL;DR: The occultation of BD+8 degrees 471 by Ceres on 13 November 1984 was observed photoelectrically at 13 sites in Mexico, Florida, and the Caribbean.
Journal ArticleDOI
Stellar Occultation by 2060 Chiron
Schelte J. Bus,Schelte J. Bus,Marc W. Buie,David G. Schleicher,William B. Hubbard,Robert L. Marcialis,R. E. Hill,Lawrence H. Wasserman,John R. Spencer,Robert L. Millis,Otto G. Franz,Amanda S. Bosh,Edward W. Dunham,Charles H. Ford,J.W. Young,J.L. Elliott,J.L. Elliott,Richard Meserole,Catherine B. Olkin,S. W. McDonald,J. A. Foust,Lisa M. Sopata,Reba M. Bandyopadhyay +22 more
TL;DR: In this article, a 14th magnitude double star was occulted by 2060 Chiron on 1993 November 7. Observations of this event were obtained from five locations in California, and Chiron's radius was determined to be 89.6 ± 6.8 km, assuming a circular outline for the shape.
Journal ArticleDOI
The surface composition of charon: tentative identification of water ice.
TL;DR: The Mar. 3, 1987, Charon occultation by Pluto was observed in the infrared at 1.5, 1.7, 2.0, and 2.35 micrometers.