Abstract: Mars Sample Return (MSR) requires strict organic contamination control (CC) and contamination knowledge (CK) as…
Author: New NASA STI
Asymmetric Early Crust-Building Magmatism on the Lunar Nearside Due to KREEP-Induced Melting Point Depression
Abstract: The lunar magnesian-suite, or Mg-suite, is a series of ancient plutonic rocks from the lunar…
Measuring the Shock Stage of Asteroid Regolith Grains by Electron Back-Scattered Diffraction
Abstract: We have been analyzing Itokawa samples in order to definitively establish the degree of shock…
Meteoritic Evidence for Injection of Trans-Neptunian Objects into the Inner Solar System
Abstract: There is excellent evidence that a dynamical instability in the early solar system led to…
Effect of Silicon on the Activity Coefficient of Rhenium in Fe-Si Liquids: Implications for HSE and Os Isotopes in Planetary Mantles
Abstract: Metallic cores contain light alloying elements that can be a combination of S, C, Si,…
Nucleosynthetic Heterogeneity Controls Vanadium Isotope Variations in Bulk Chondrites
Abstract: The vanadium (V) isotope composition of early solar system materials have been hypothesized to be…
Project NEO Specific Impulse Testing Solutions
Abstract: The Neo test stand is currently configured to fire a horizontally mounted rocket motor with…
Improved Rice Residue Burning Emissions Estimates: Accounting for Practice-Specific Emission Factors in Air Pollution Assessments of Vietnam
Abstract: In Southeast Asia and Vietnam, rice residues are routinely burned after the harvest to prepare…
The Almahata Sitta Polymict Ureilite from the University of Khartoum Collection: Classification, Distribution of Clast Types in the Strewn Field, New Meteorite Types, and Implications for the Structure of Asteroid 2008 TC3
Abstract: The Almahata Sitta (AhS) polymict ureilite fell in 2008 when asteroid 2008 TC3 impacted over…
Distribution of Alkalis (Na, Cs, Rb) Between Silicate and Sulfide: Implications for Planetary Volatile Depletion
Abstract: The abundances of volatile elements in the Earth's mantle are correlated with their temperatures of…