SP-424 The Voyage of Mariner
10
Fig. A-11. Continuing southward, this
mosaic shows the South polar region in great detail; the south pole
of Mercury is within the shadowed crater one-quarter of the way from
the bottom of the right-hand edge of the mosaic. Two mountain tops
gleam as tiny spots within the crater. Three large double-ring basins
are between 150 and 200 km in diameter. Alongside them, smooth plains
contain many ridges and scarps.
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