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Fig. 1
Change in the normalised cross section of the illuminated area for six selected comet shapes (sphere, 67P, 81P, 103P, 1P, and 9P) at five different obliquities (0°, 30°, 45°, 60° , and 90°) with distance in au from perihelion (on a 67P-like orbit, perihelion occurs at 1.24 au).
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