Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.341..588k&link_type=abstract
Nature (ISSN 0028-0836), vol. 341, Oct. 19, 1989, p. 588-591.
Astronomy and Astrophysics
Astronomy
13
Albedo, Mars Probes, Phobos, Satellite Surfaces, Spatial Distribution, Astronomical Photometry, Brightness Temperature, Planetary Composition, Regolith, Soviet Spacecraft
Scientific paper
Analysis of Mariner 9, Viking 1 and 2, and ground-based experimental data has led to the conclusion that the surface layer of Phobos consists of fine-grained material with a composition close to that of carbonaceous chrondrites. Observations of the mean Phobos diameter obtained by the Phobos 2 mission with a resolution of 1/20-1/40 are presented here which show, for the first time, inhomogeneities in the thermal and spectral properties of the surface of Phobos.
Bibring Jean-Pierre
Combes Michel
Ksanfomalitii L. V.
Moroz Vasiliy Ivanovich
Soufflot Alain
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