Fig. A.2

image

WAC image showing the Seth region in addition to Ash and Babi. Arrows point to locations of the boundaries between adjacent regions. Also visible are a couple of circular pits (A and B). b) Cropped NAC image showing prominent features of the Seth region. The material is light toned, brittle and susceptible to fracturing and collapse creating darker toned talus-like deposits as well as boulders. c) Close up of b) showing the fractures that often form polygonal patterns (arrows). d) Cropped NAC image showing one of the most remarkable circular pits (A) on the surface of the comet as well as another pit (B), which together with pit A is part of a pit chain in the Seth region.

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