Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1319s&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 319.
Astronomy and Astrophysics
Astronomy
1
Io, Satellite Surfaces, Regolith, Galileo Spacecraft, Satellite Imagery, Lava, Image Analysis, Surface Geometry, Hubble Space Telescope, Astronomical Photometry
Scientific paper
The colors and albedo contrasts of many regions on Io change significantly between Galileo SSI images taken at different times with different lighting-and-viewing geometries. The changes are most widespread and extreme in an area that extends from Pele through the western half of Colchis Regio (latitudes +/-60 deg, longitudes 190-255 deg W). Although some of these changes, in the immediate vicinity of Pele, may be associated with this volcano's active plume, the more widespread changes are caused by region-to-region variations in the Ionian surface's regolith properties, properties which determine how the surface scatters light under different geometries.
Galileo Imaging Team
McEwen Alfred S.
Simonelli Damon P.
Veverka Joe
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