2 papers
astro-ph.EP2026
OSIRIS-REx Returned a Pristine Sample of Asteroid Bennu: Takeaways from the Mission's Contamination Control and Knowledge Program
Jason P. Dworkin, Scott A. Sandford, Nicole G. Lunning +81
NASA's OSIRIS-REx mission had the objective of delivering a pristine sample from asteroid (101955) Bennu to Earth for scientific analysis--where "pristine" signifies the absence of…
astro-ph.EP2018
Ecosystem-bedrock interaction changes nutrient compartmentalization during early oxidative weathering
Dragos G. Zaharescu, Carmen I. Burghelea, Katerina Dontsova +16
Ecosystem-bedrock interactions power the biogeochemical cycles of Earth's shallow crust, supporting life, stimulating substrate transformation, and spurring evolutionary innovation…