Image Details
Caption: Fig. 1.
Variation in the abundances of C, CO, and C+ in the photodissociation region at the edge of a cloud as calculated by the simple model described in the text. In this figure, the cloud has a constant density of 1000 cm−3 and the interstellar radiation field has a Habing flux, ﹩G_{0}=1﹩.
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