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发帖数: 1994 | 1 Melas, Candor, and Ophir: Valleys of Mariner
Credit: G. Neukum (FU Berlin) et al., Mars Express, DLR, ESA
Explanation: First imaged by the Mariner 9 spacecraft, Valles Marineris,
the grand canyon of Mars, is a system of enormous depressions or
chasmas that stretch some 4,000 kilometers along the Martian equator.
Looking north over the canyon's central regions, dark Melas Chasma lies in the
foreground of this spectacular perspective view. Behind it are
Candor Chasma and the steep walls of Ophir C |
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