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The obvious peculiarity of this crater is its shape, the causes for
which are open to speculation. The entire area pictured is in the floor
of the 60-km-diameter crater Barbier, located on the lunar far side and
centered at 23.9° S, 157.7° E. Barbier is a relatively old crater,
and the high density of craters on its floor is evident in this high-resolution
photograph from the Apollo 15 panoramic camera. The two angular corners
of the oddly shaped crater suggest that its present form is partly controlled
by faults or joints in the floor of Barbier. The slightly raised rim of
the crater evidenced in the shadow on the rim at the left and the brightening
on the rim in the lower right side of the crater-shows that material was
ejected from the crater at the time of its formation and that it is not
simply a collapsed portion of the floor of Barbier. The long dimension
of the pictured crater is 16 km, and the short dimension is 10 km.
-M.C.M.
Report Source: NASA SP-362, Page 238, Figure 223
This web page was created by Francis Ridge
for The Lunascan Project
Lunar Farside
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