海量图书期刊资源,随时随地畅享阅读乐趣
True Polar Wander of Enceladus From Topographic DataTajeddine, Radwan; Soderlund, Krista M.; Thomas, Peter C.; Helfenstein, Paul; Hedman, Matthew M.; Burns, Joseph A.; Schenk, Paul M. · Icarus · 2017
Voyager observations of NereidThomas, Peter; Veverka, Joseph; Helfenstein, Paul · Journal of Geophysical Research · 1991
The geological interpretation of photometric surface roughnessPaul Helfenstein · 1988
Anomalous-scattering region on TritonPascal Lee; Paul Helfenstein; Joseph Veverka; Derek McCarthy · 1992
ENCELADUS’ GEYSERS: RELATION TO GEOLOGICAL FEATURESHelfenstein, Paul; Porco, Carolyn C. · The Astronomical Journal · 2015
Search for glazed surfaces on TritonLee, Pascal; Helfenstein, Paul; Veverka, Joseph · Journal of Geophysical Research · 1991
A test of the Hapke photometric modelShepard, Michael K.; Helfenstein, Paul · Journal of Geophysical Research · 2007