JS
Member Since 1998
John R. Spencer
Institute Scientist, Southwest Research Institute Boulder
AGU Research
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Bridging the Energy Gap: Solar Wind Data from PEPSSI and SWAP on New Horizons
THE PAST, PRESENT, AND FUTURE OF HELIOPHYSICS THROUGH IN SITU OBSERVATIONS OF THE OUTER HELIOSPHERE AND THE INTERSTELLAR MEDIUM II ORAL
spa-solar and heliospheric physics | 15 december 2023
Ralph L. McNutt, David J. McComas, Matthew E. Hill...
The New Horizons spacecraft, launched in 2006, continues to return unprecedented charged particle data from the outer heliosphere. The Pluto Energetic...
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The Europa Thermal Emission Imaging System(E-THEMIS) Investigation for the Europa Clipper Mission
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
Philip R. Christensen, John R. Spencer, Greg Mehal...
The Europa Thermal Emission Imaging System (E-THEMIS) on the Europa Clipper spacecraft will investigate the temperature and physical properties of Eur...
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Heating of Energetic Pickup Ions in the Supersonic Solar Wind Region by Shock Waves: Observations and Modeling
THE PAST, PRESENT, AND FUTURE OF HELIOPHYSICS THROUGH IN SITU OBSERVATIONS OF THE OUTER HELIOSPHERE AND THE INTERSTELLAR MEDIUM I POSTER
spa-solar and heliospheric physics | 14 december 2023
Parisa Mostafavi, Gary P. Zank, Matthew E. Hill, M...
The outer heliosphere is a highly dynamic region that is profoundly influenced by the presence of nonthermal energetic pickup ions (PUIs). These PUIs,...
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Resolving Shocks Using the MSWIM2D Two-Dimensional Outer Heliosphere Model
THE PAST, PRESENT, AND FUTURE OF HELIOPHYSICS THROUGH IN SITU OBSERVATIONS OF THE OUTER HELIOSPHERE AND THE INTERSTELLAR MEDIUM I POSTER
spa-solar and heliospheric physics | 14 december 2023
Anna Nica, Merav Opher, Timothy B. Keebler, Gabor ...
The solar wind drives compressions that vary with solar cycle, which propagate outward and can steepen as shocks. The SWAP instrument on New Horizons ...
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Future Exploration of the Outer Heliosphere and the Very Local Interstellar Medium
THE PAST, PRESENT, AND FUTURE OF HELIOPHYSICS THROUGH IN SITU OBSERVATIONS OF THE OUTER HELIOSPHERE AND THE INTERSTELLAR MEDIUM I POSTER
spa-solar and heliospheric physics | 14 december 2023
Pontus C. Brandt, Ralph L. McNutt, Merav Opher, Li...
Our solar system has evolved through accretion of dust and gas as the Sun and its protective magnetic bubble the heliosphere - have plowed through in...
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LUCY, FIRST MISSION TO THE JUPITER TROJANS: POST-LAUNCH UPDATE
SMALL SOLAR SYSTEM BODIES: SAMPLE RETURNS, JWST, GROUND-BASED ASTRONOMY, AND MORE III ORAL
planetary sciences | 14 december 2023
Harold F. Levison, Simone Marchi, Keith S. Noll, J...
The Lucy mission was launched from Cape Canaveral on the morning of October 16, 2021 and was precisely delivered onto its planned trajectory (see Figu...
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Planned Geological Investigations of the Europa Clipper Mission
OCEAN WORLDS AND SEARCH FOR LIFE: HORIZONS IN ICY SATELLITE SCIENCE AT THE LAUNCH OF THE HISTORIC EUROPA CLIPPER MISSION III ORAL
planetary sciences | 14 december 2023
Ingrid Daubar, Alexander G. Hayes, Geoffrey Collin...
Geological investigations planned for the NASA Europa Clipper mission will examine the formation, evolution, and expression of geomorphic structures f...
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Io's Far Ultraviolet Emissions Surrounding its Passage Through Jupiter's Shadow
ULTRAVIOLET OBSERVING OF SOLAR SYSTEM TARGETS POSTER
planetary sciences | 13 december 2023
Carl Schmidt, John R. Spencer, Lorenz Roth, Aishwa...
Hubble Space Telescope's Cosmic Origins Spectrograph has obtained spatially-unresolved high-resolution spectra of Io's far ultraviolet emissions as it...
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