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Radar mapping of Mercury - Full-disk images and polar anomalies (1992)

Slade, M. A. ; Harmon, J. K.

In: Other Sources

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Publication Date: 2011-08-24

Description: A random-code technique has been used at Arecibo to obtain delay-Doppler radar images of the full disk of Mercury. Anomalously bright features were found at the north and south poles. The north polar feature is oblong (4 by 8 deg) and offset from the pole. The smaller south polar feature is mostly confined to the floor of the crater Chao Meng-Fu. The polar locations and radar properties of these features indicate that they may be produced by volume scattering in ice. The images also reveal a variety of more subdued reflectivity features ranging in size from hundreds to thousands of kilometers; some of these appear to have an impact origin.

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Science (ISSN 0036-8075); 258; 5082; p. 640-643.

Format: text

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