Abstract: No abstract available
Author: New NASA STI
X-Ray Amorphous Phases in Terrestrial Analog Volcanic Sediments: Implications for Amorphous Phases in Gale Crater, Mars
Abstract: X-ray diffraction (XRD) amorphous phases have been found as major components (approx.15-60 wt%) of all…
Calcium Sulfates at Gale Crater and Limitations on Gypsum Stability
Abstract: The Mars Science Laboratory rover has been exploring sedimentary rocks of the Bradbury group and…
Lessons Learned from Preparing OSIRIS-REx Spectral Analog Samples for Bennu
Abstract: NASA's OSIRIS-REx sample return mission launched on September 8th, 2016 to rendezvous with B-type asteroid…
Diverse Engineering Careers in Astronautics & Human Space Exploraton
Abstract: No abstract available
Oxidative Alteration of Ferrous Smectites: A Formation Pathway for Martian Nontronite?
Abstract: Ferric (Fe3+-bearing) smectites, including nontronite, constitute the majority of hydrous mineral exposures observed on Mars.…
Acid-Sulfate Alteration at Gusev Crater and Across Mars: High-SiO2 Residues and Ferric Sulfate Precipitates
Abstract: The Mars Exploration Rover Spirit ended its mission in Gusev crater on sol 2210 after…
Hawai’i and Gale Crater: A Mars Analogue Study of Igneous, Sedimentary, Weathering, and Alteration Trends in Geochemistry
Abstract: Sedimentary rocks in Gale Crater on Mars indicate a varied provenance with a range of…
Performance Investigation of a Full-Scale Hybrid Composite Bull Gear
Abstract: Hybrid composite gears have been investigated as a weight saving technology for rotorcraft transmissions. These…