AS17-0940(M)

Figure 27

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On the near side, Apollos 15 and 17 flew over a more northerly strip of the Moon's surface than did Apollo 16 (fig. 1).  Here, over the eastern edge of Mare Serenitatis, another mare that fills a circular basin, the Apollo 17 mapping camera recorded the regional setting of the Apollo 17 Taurus-Littrow landing site (arrow, lower right corner). The relatively smooth and unusually dark material around the edge of the basin contrasts sharply with the hummocky bright mountain massifs of the basin rim. Trending along the edge of the basin, an exceptionally fresh system of scarps, mare ridges, and rilles transects both mare and terra. The rilles, mostly straight or gently arcuate, are fault valleys called "grabens." Near the distant horizon is the flat-floored, partly flooded crater Posidonius (P), about 100 km in diameter. Just this side of it is a bay formed by the flooding of the older crater Le Monnier,  which was visited by the unmanned Soviet roving vehicle Lunokhod 2 in January 1974.  Days earlier the Apollo 17 mission had been successfully concluded. During a 3-day stay on the Moon at the Taurus-Littrow site (arrow), the dark material on the valley floor, the avalanche of light-colored debris (A), and the mountains surrounding the site were visited and sampled by the astronauts.   -D.E.W

Report Source: NASA SP-362, Page 40, Figure 27

This web page was created by Francis Ridge for The Lunascan Project
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