Member Since 1983
Everett Shock
Professor, Arizona State University
AGU Research
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Phosphate availability and implications for life on ocean worlds
ENCELADUS: FROM INNER WORKINGS TO THE POTENTIAL FOR LIFE IV ORAL
planetary sciences | 15 december 2023
Noah G. Randolph-Flagg, Tucker Ely, Sanjoy M. Som,...
Several moons in the outer solar system host liquid water oceans. A key next step in assessing the habitability of these ocean worlds is to determine ...
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Detecting Biosignatures Using Thermodynamic Calculations
ENCELADUS: FROM INNER WORKINGS TO THE POTENTIAL FOR LIFE IV ORAL
planetary sciences | 15 december 2023
Jordyn Robare, Grayson M. Boyer, Everett Shock
Candidate biosignatures at ocean worlds include organic compounds in abundances that are not easily explained through abiotic processes. A screening p...
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Hydrothermal Food Service
SUBAQUEOUS OCEANIC AND CONTINENTAL HYDROTHERMAL SYSTEMS: GEOCHEMISTRY, HYDROLOGY, BIOLOGY, AND STRUCTURE II ORAL
volcanology, geochemistry and petrology | 15 december 2023
Everett Shock, Tucker Ely
From the perspective of planetary elemental cycles, the main function of life is to reduce CO2 into organic forms of carbon. This is not negated by th...
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MASPEX: The Europa Clipper Neutral Gas Mass Spectrometer
OCEAN WORLDS AND SEARCH FOR LIFE: HORIZONS IN ICY SATELLITE SCIENCE AT THE LAUNCH OF THE HISTORIC EUROPA CLIPPER MISSION I POSTER
planetary sciences | 14 december 2023
James L. Burch, Steven C. Persyn, Tim Brockwell, J...
The Mass Spectrometer for Planetary Exploration (MASPEX) is a multi-bounce time-of-flight neutral mass spectrometer with unprecedented mass resolution...
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Investigating Europa’s Habitability with Europa Clipper
OCEAN WORLDS AND SEARCH FOR LIFE: HORIZONS IN ICY SATELLITE SCIENCE AT THE LAUNCH OF THE HISTORIC EUROPA CLIPPER MISSION IV ORAL
planetary sciences | 14 december 2023
Steve Vance, Kathleen L Craft, Everett Shock, Brit...
The overarching goal of NASAs Europa Clipper mission is to explore Europa and investigate its habitability. Performing such an assessment is challengi...
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Compositional evolution of Europa’s Fe-FeS alloys from accretion to metal melting
OCEAN WORLDS AND SEARCH FOR LIFE: HORIZONS IN ICY SATELLITE SCIENCE AT THE LAUNCH OF THE HISTORIC EUROPA CLIPPER MISSION II POSTER
planetary sciences | 14 december 2023
Kevin T. Trinh, Carver J. Bierson, Joseph G. O'Rou...
Europa, like Ganymede, might host a metallic core made mostly of iron and sulfur. The composition of the core reflects the maximum temperature(s) reac...
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Habitability of Impact-induced Hydrothermal Systems
EXPLORING THE INTERSECTION OF EARLY EARTH ENVIRONMENTS, PREBIOTIC CHEMISTRY, AND LIFE’S EMERGENCE II POSTER
planetary sciences | 11 december 2023
Nuri Park, Randall Debes II, Emma K. Brown, Zachar...
Hydrothermal systems can emerge where water is in physical contact with rocks that have been heated by sources including volcanic activity and impacts...
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Huge Variation in H2 Generation During Seawater Alteration of Ultramafic Rocks
GEOCHEMISTRY, GEOPHYSICS, GEOSYSTEMS
28 february 2023
Tucker Ely, James Andrew M. Leong, Peter Canovas, ...
Water‐rock reactions liberate bioavailable energy, a necessary condition for chemotrophic habitability and origins of life. The major mineral...