Mathematics – Logic
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jgr....80.2345s&link_type=abstract
Journal of Geophysical Research, vol. 80, June 10, 1975, p. 2345-2356. NASA-supported research.
Mathematics
Logic
9
Data Acquisition, Mercury (Planet), Planetary Surfaces, Polar Regions, Space Exploration, Spaceborne Photography, Geological Surveys, Imaging Techniques, Mariner Venus-Mercury 1973, Stereophotography, Terrain Analysis
Scientific paper
The second Mercury encounter has resulted in the acquisition of about 360 pictures of the south polar regions which provide a reliable cartographic and geologic tie between the two sides of the planet photographed on the first encounter. Stereoscopic coverage of large areas of the southern hemisphere was obtained by combining Mercury 1 and 2 pictures taken at different viewing angles. The south polar regions consist of heavily cratered terrain and intercrater plains interspersed with patches of smooth plains. No large areas of smooth plains similar to those surrounding Caloris occur in the south polar regions. No new types of terrain have been recognized, but lobate scarps are common. The second largest basin seen by Mariner 10 has been confirmed on the new photography. At high solar elevations the surface displays an abundance of rays and rayed craters.
Belton Michael J. S.
Danielson Edward G.
Davies Mike E.
Gault Donald E.
Guest John E.
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