Fig. 2.From: Synthesized grain size distribution in the interstellar mediumBest-fitting synthetic grain size distributions to the MRN size distribution. Panels (a) and (b) show silicate and graphite, respectively. We only show two models (A and D; solid and dot-dashed lines, respectively) for the smallest and largest residuals (δ2) among the four models. The dotted line shows the MRN size distribution.Back to article page