Fig. 4.
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Radiative-to-gravitational force ratio (Γ) as a function of radius for MgSiO3 dust grains calculated using DHS scattering theory. Different coloured lines represent dust grain sizes. The green shaded area (Γ > 1) indicates regions where radiation pressure exceeds gravity. The hatched area (Γ < 1) represents regions where radiation pressure alone is insufficient to overcome gravity.
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