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Aitken from Apollo 15 '' NASA  photo''
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168
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S
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1734
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E
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135 km
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''Unknown''
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187
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is a large
Lunar Impact Crater that lies on the
Far Side of the
Moon . It is located to the southeast of the
Heaviside Crater , and north of the unusual
Van De Graaff Crater formation. Attached to the southwest rim is the
Vertregt Crater . To the southeast is the smaller
Bergstrand Crater .
The inner wall of Aitken is , and varies notably in width with the narrowest portion in the southwest. The crater 'Aitken Z' lies across the inner north wall. Just to the north of the rim is the small crater 'Aitken Z', which is surrounded by an ''ejecta'' blanket of lighter
Albedo material. The interior floor has been resurfaced in the past by a darker albedo
Lava flow, especially in the southern half. There are also several small crater impacts on the eastern floor, an arcing central ridge line just to the east of the mid-point, and a line of smaller ridges in the western half.
This crater lies along the northern rim of the immense
South Pole-Aitken Basin , which was named after this crater and the southern lunar pole, the two extreme points of the feature.
By convention these features are identified on Lunar maps by placing the letter on the side of the crater mid-point that is closest to Aitken crater.
L&PI
Topographic Map s of Aitken:
