2 papers
astro-ph.IM2020
The Case for Non-Cryogenic Comet Nucleus Sample Return
Keiko Nakamura-Messenger, Alexander G. Hayes, Scott Sandford +22
Comets hold answers to mysteries of the Solar System by recording presolar history, the initial states of planet formation and prebiotic organics and volatiles to the early Earth.…
astro-ph.EP2019
Migrating Scarps as a Significant Driver for Cometary Surface Evolution
Samuel Birch, Alexander Hayes, Orkan Umurhan +10
Rosetta observations of 67P/Churyumov-Gerasimenko (67P) reveal that most changes occur in the fallback-generated smooth terrains, vast deposits of granular material blanketing the…