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Fig. 12 | Progress in Earth and Planetary Science

Fig. 12

From: Regolith behavior under asteroid-level gravity conditions: low-velocity impact experiments

Fig. 12

Scaling of the maximum penetration depth during PRIME-3 impacts. a With the quantity \(\mu ^{-1}(\rho _{p}/\rho _{g})^{1/2}D_{p}^{2/3}H^{1/3}\) (see text for details) and b with \(\mu ^{-1}(\rho _{p}/\rho _{g})^{0.1}D_{p}^{2/3}H^{1/3}\). Asterisks and triangles represent quartz sand and JSC-1 targets, respectively. Impacts performed with projectiles of masses ∼ 10 g are marked by black symbols, and ∼ 30 g by red symbols. The black and red lines in a are power law fits to these two types of impacts (10 g and 30 g projectiles), both with indexes ∼ 2.5. The line in b shows the power law fit to the entire data set, with an index of 2.5

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