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Sodium-rich Particle as Evidence of Recent and Intense Micrometeoroid Bombardment on Asteroid Ryugu

  • Authors: E. Palomba, G. Pratesi, M. Angrisani, X. Shehaj, F. Dirri, A. Longobardo, D. Fulvio, S. Caporali, B. Cortigiani

E. Palomba et al 2026 The Astrophysical Journal Letters 1001 .

  • Provider: AAS Journals

Caption: Figure 4.

Comparison of sodium (Na 1 s) photoelectron spectra. Normalized high-resolution Na 1 s photoelectron spectra of the C0242 and A0226 particles. The A0226 surface exhibits a significant sodium enrichment compared to C0242.

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