SP-424 The Voyage of Mariner
10
Fig A-25. The Caloris Basin as imaged
at the three encounters is shown in this series of photographs in the
computer-enhanced mosaic from Mercury I (a) is outlined the area
viewed at Mercury II (b). The small white boxes identify the
locations of the high-resolution frames (c) and (d) obtained at
Mercury III. Alongside (d) is shown a high-resolution picture of the
same crater-tentatively termed the "Teddy Bear"-taken at Mercury I
(e).
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