Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. CE-4 landing site.
  • Fig. S2. Data processing procedure of LPR high frequency.
  • Fig. S3. Comparison of high-frequency LPR data between CE-3 and CE-4.
  • Fig. S4. Velocity estimation using point targets.
  • Fig. S5. Bulk density versus depth in the first 8 m.
  • Fig. S6. Joint probability density function of loss tangent as a function of bulk density and oxide content.
  • Fig. S7. Estimation of the ejecta thickness using DHCs and non-DHCs.
  • Fig. S8. Geological context and topography at CE-4 landing site.
  • Table S1. Estimated ejecta thickness at the CE-4 landing site from Finsen, Von Kármán L, and Von Kármán L’ craters.
  • Table S2. The data IDs for the images used in the figures.

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