2 papers
astro-ph.EP2026
Dust Activity Evolution and Constraints on Icy Grains in the Interstellar Comet 3I/ATLAS
Bin Liu, Xiaoping Zhang, Xiaodong Liu +1
We present Zwicky Transient Facility observations of the interstellar comet 3I/ATLAS to characterize its dust-activity evolution before and after perihelion. Before perihelion, the…
astro-ph.EP2026
Developing and characterizing a new-generation regolith simulant "IGCAS-AST01" for the Tianwen-2 target asteroid (469219) Kamo'oalewa
Pengfei Zhang, Zichen Wei, Takahiro Hiroi +12
China plans to return samples from the near-Earth asteroid (469219) Kamo'oalewa, which we previously identified as an LL-chondrite-compositional, highly space-weathered object with…