Figure 2

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Figure 2. Composite Clementine orbital images of the poles of the moon, where more than 50 separate images have been summed together over one lunar day. In these views, areas of near permanent illumination are white and areas of near permanent darkness are black. Within 100 km of each pole, the south pole (B) shows considerable darkness (= cold traps) whereas the immediate surroundings of the north pole (A) show at least an order of magnitude greater illumination, and are therefore warmer. The scale bar is 100 km. [Ed. note: This has been corrected from what appears in the print product where the poles were incorrectly identified.]

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©1996 by The American Association for the Advancement of Science.