Timothy J Stubbs
(RESEARCH AST, PLANETARY STUDIES)
| Email: | timothy.j.stubbs@nasa.gov |
| Phone: | 301.286.1524 |
| Org Code: | 695 |
| Address: |
NASA/GSFC Mail Code 695 Greenbelt, MD 20771 |
| Employer: |
Publications
Refereed
2023. "Space Weathering at the Moon: Priorities for Interdisciplinary Heliophysics and Planetary Science Research." Bulletin of the AAS [10.3847/25c2cfeb.4de28fb2] [Report]
2023. "Observations of a dense lunar ionosphere varying substantially on two-hour timescales." Geophysical Research Letters [Journal Article/Letter]
2021. "A theoretical assessment of the feasibility of potential Lunar Reconnaissance Orbiter radio occultation observations of the lunar ionosphere." Advances in Space Research [Full Text] [10.1016/j.asr.2021.02.029] [Journal Article/Letter]
2020. "Long‐Term Observations of Galactic Cosmic Ray LET Spectra in Lunar Orbit by LRO/CRaTER." Space Weather 18 (12): [10.1029/2020sw002543] [Journal Article/Letter]
2020. "The Solar Orbiter Solar Wind Analyser (SWA) suite." Astronomy & Astrophysics 642 A16 [10.1051/0004-6361/201937259] [Journal Article/Letter]
2019. "Lunar soil hydration constrained by exospheric water liberated by meteoroid impacts." Nature Geoscience 12 333-338 [10.1038/s41561-019-0345-3] [Journal Article/Letter]
2019. "Earthshine as an illumination source at the Moon." Icarus 321 841-856 [10.1016/j.icarus.2018.12.025] [Journal Article/Letter]
2019. "How dielectric breakdown may contribute to the global weathering of regolith on the moon." Icarus 319 785-794 [10.1016/j.icarus.2018.10.025] [Journal Article/Letter]
2018. "Using proton radiation from the moon to search for diurnal variation of regolith hydrogenation." Planetary and Space Science 162 113-132 [10.1016/j.pss.2017.09.012] [Journal Article/Letter]
2018. "The possible contribution of dielectric breakdown to space weathering on Phobos." Advances in Space Research 62 (8): 2187-2198 [10.1016/j.asr.2018.01.029] [Journal Article/Letter]
2017. "The rate of dielectric breakdown weathering of lunar regolith in permanently shadowed regions." Icarus 283 352-358 [10.1016/j.icarus.2016.08.027] [Journal Article/Letter]
2016. "Evidence for a dynamic nanodust cloud enveloping the Moon." Nature Geosci 9 (9): 665-668 [10.1038/ngeo2779] [Journal Article/Letter]
2015. "How surface composition and meteoroid impacts mediate sodium and potassium in the lunar exosphere." Science 351 (6270): 249-252 [10.1126/science.aad2380] [Journal Article/Letter]
2015. "Deep dielectric charging and breakdown of lunar polar regolith." Journal of Physics: Conference Series 646 012010 [10.1088/1742-6596/646/1/012010] [Journal Article/Letter]
2015. "Dielectric breakdown weathering of the Moon's polar regolith." Journal of Geophysical Research: Planets 120 (2): 210-225 [10.1002/2014je004710] [Journal Article/Letter]
2014. "Search for a high-altitude lunar dust exosphere using Clementine navigational star tracker measurements." Journal of Geophysical Research: Planets 119 (12): 2548-2567 [10.1002/2014je004702] [Journal Article/Letter]
2014. "Deep dielectric charging of regolith within the Moon's permanently shadowed regions." Journal of Geophysical Research: Planets 119 (8): 1806-1821 [10.1002/2014je004648] [Journal Article/Letter]
2014. "On lunar exospheric column densities and solar wind access beyond the terminator from ROSAT soft X-ray observations of solar wind charge exchange." Journal of Geophysical Research: Planets 119 (7): 1459-1478 [10.1002/2014je004628] [Journal Article/Letter]
2014. "Upper limits for a lunar dust exosphere from far-ultraviolet spectroscopy by LRO/LAMP." Icarus 233 106-113 [10.1016/j.icarus.2014.01.039] [Journal Article/Letter]
2014. "Dependence of lunar surface charging on solar wind plasma conditions and solar irradiation." Planetary and Space Science 90 10-27 [10.1016/j.pss.2013.07.008] [Journal Article/Letter]
2013. "Recursive plasma wake formation on the Moon and its effect on polar volatiles." Icarus 226 (1): 992-998 [10.1016/j.icarus.2013.06.013] [Journal Article/Letter]
2013. "The lunar dust pendulum." Advances in Space Research 52 (2): 251-261 [10.1016/j.asr.2012.09.044] [Journal Article/Letter]
2013. "The formation of molecular hydrogen from water ice in the lunar regolith by energetic charged particles." Journal of Geophysical Research: Planets 118 (6): 1257-1264 [10.1002/jgre.20095] [Journal Article/Letter]
2012. "Plasma wake simulations and object charging in a shadowed lunar crater during a solar storm." J Geophys Res (Planets) Solar-Storm/Lunar Atmosphere Model Special Issue [2012JE004094R] [Journal Article/Letter]
2012. "Metallic species, oxygen and silicon in the lunar exosphere: Upper limits and prospects for LADEE measurements." Journal of Geophysical Research 117 (A3): A03103 [10.1029/2011ja017044] [Journal Article/Letter]
2012. "Illumination conditions at the Asteroid 4 Vesta: Implications for the presence of water ice." Icarus 217 (1): 272-276 [10.1016/j.icarus.2011.11.007] [Journal Article/Letter]
2012. "Solar-Storm/Lunar Atmosphere Model (SSLAM): An overview of the effort and description of the driving storm environment." Journal of Geophysical Research 117 E00K04 [10.1029/2012je004070] [Journal Article/Letter]
2011. "Light scattering by complex particles in the Moon's exosphere: Toward a taxonomy of models for the realistic simulation of the scattering behavior of lunar dust." Planetary and Space Science 59 (14): 1804-1814 [10.1016/j.pss.2011.01.003] [Journal Article/Letter]
2011. "Regarding the possible generation of a lunar nightside exo-ionosphere." Icarus 216 (1): 169-172 [10.1016/j.icarus.2011.08.013] [Journal Article/Letter]
2011. "Solar wind access to lunar polar craters: Feedback between surface charging and plasma expansion." Geophys. Res. Lett. 38 L19202 [10.1029/2011GL048880] [Journal Article/Letter]
2011. "On the role of dust in the lunar ionosphere." Planet Sp Sci 59 (13): 1659-1664 [Journal Article/Letter]
2011. ""Discharging of Roving Objects in the Lunar Polar Regions"." Journal of Spacecraft and Rockets 48 (4): 700-704 [10.2514/1.51897] [Journal Article/Letter]
2011. "A Reanalysis of the Apollo Light Scattering Observations, and Implications for Lunar Exospheric Dust." Planet Sp Sci 59 (14): 1695-1707 [Journal Article/Letter]
2011. "Lunar Surface Electric Potential Changes Associated with Traversals of the Terrestrial Bow Shock." Planet. Sp. Sci. 59 (14): 1727-1743 [Journal Article/Letter]
2010. "Optical scattering processes observed at the Moon: Predictions for the LADEE Ultraviolet Spectrometer." Planetary and Space Science 58 (5): 830-837 [10.1016/j.pss.2010.01.002] [Journal Article/Letter]
2010. "Anticipated electrical environment within permanently shadowed lunar craters." Journal of Geophysical Research 115 (E3): E03004 [Full Text] [10.1029/2009JE003464] [Journal Article/Letter]
2010. "CRaTER: The Cosmic Ray Telescope for the Effects of Radiation Experiment on the Lunar Reconnaissance Orbiter Mission." Space Science Reviews 150 (1-4): 243-284 [10.1007/s11214-009-9584-8] [Journal Article/Letter]
2009. "Solar wind charge exchange observed through the lunar exosphere." Geophysical Research Letters 36 21102 [Full Text] [10.1029/2009GL040834] [Journal Article/Letter]
2009. "Lunar surface charging during solar energetic particle events: Measurement and prediction." Journal of Geophysical Research: Space Physics 114 (A5): [10.1029/2009ja014113] [Journal Article/Letter]
2009. "Neutral solar wind generated by lunar exospheric dust at the terminator." Journal of Geophysical Research: Space Physics 114 (A1): [10.1029/2008ja013716] [Journal Article/Letter]
2009. "Lunar Prospector measurements of secondary electron emission from lunar regolith." Planetary and Space Science 57 (1): 78-82 [10.1016/j.pss.2008.11.009] [Journal Article/Letter]
2008. "Concerning the dissipation of electrically charged objects in the shadowed lunar polar regions." Geophysical Research Letters 35 19104 [Full Text] [10.1029/2008GL034785] [Journal Article/Letter]
2008. "Lunar Prospector observations of the electrostatic potential of the lunar surface and its response to incident currents." Journal of Geophysical Research: Space Physics 113 (A9): [10.1029/2008ja013194] [Journal Article/Letter]
2008. "Loss of solar wind plasma neutrality and affect on surface potentials near the lunar terminator and shadowed polar regions." Geophysical Research Letters 35 05105 [Full Text] [10.1029/2007GL032653] [Journal Article/Letter]
2008. "Identification of spacecraft conjunctions in the cusps." Advances in Space Research 41 (10): 1562-1570 [10.1016/j.asr.2007.09.030] [Journal Article/Letter]
2007. "A dynamic fountain model for dust in the lunar exosphere." Proc Dust Plan Systems SP-643 185–190 [Journal Article/Letter]
2007. "Complex electric fields near the lunar terminator: The near-surface wake and accelerated dust." Geophysical Research Letters 34 14201 [Full Text] [10.1029/2007GL029312] [Journal Article/Letter]
2007. "Extreme lunar surface charging during solar energetic particle events." Geophysical Research Letters 34 (2): L02111 [10.1029/2006gl028517] [Journal Article/Letter]
2007. "Impact of dust on lunar exploration." Workshop on Dust in Planetary Systems 643 239-243 [Proceedings]
2007. "Dependence of Lunar Surface Charging on Ambient Plasma Conditions and Solar Irradiation." AGU Spring Meeting Abstracts 3- [Journal Article/Letter]
2007. "Predictions of dust concentrations in the lunar exosphere." Journal of Astronautics 28 166–167 [Full Text] [1000-1328] [Journal Article/Letter]
2007. "Lunar surface charging: a global perspective using Lunar Prospector data." Proc Dust Plan Systems SP-643 181–184 [Journal Article/Letter]
2006. "A Statistical Survey of Cusp Plasma Characteristics Using FAST Data." AGU Fall Meeting Abstracts 267- [Journal Article/Letter]
2006. "A dynamic fountain model for lunar dust." Advances in Space Research 37 59 [Full Text] [10.1016/j.asr.2005.04.048] [Journal Article/Letter]
2005. "Simultaneous observations of the auroral ovals in both hemispheres under varying conditions." Geophysical Research Letters 32 03103 [Full Text] [10.1029/2004GL021199] [Journal Article/Letter]
2004. "Extended cusp-like regions and their dependence on the Polar orbit, seasonal variations, and interplanetary conditions." Journal of Geophysical Research 109 (A9): A09210 [10.1029/2003ja010163] [Journal Article/Letter]
2004. "A comparison between ion characteristics observed by the POLAR and DMSP spacecraft in the high-latitude magnetosphere." ANNALES GEOPHYSICAE 22 (3): 1033-1046 [Journal Article/Letter]
2001. "Dawn-dusk asymmetry in particles of solar wind origin within the magnetosphere." ANNALES GEOPHYSICAE 19 (1): 1-9 [Journal Article/Letter]
2000. "The high-altitude cusps: HEOS 2." Journal of Geophysical Research: Space Physics 105 (A12): 27509-27517 [10.1029/2000ja900084] [Journal Article/Letter]
Non-Refereed
2015. "Influence of Meteoroid Streams on the Lunar Environment: Results from LADEE." 46th Lunar and Planetary Science Conference, held March 16-20, 2015 in The Woodlands, Texas. LPI Contribution No. 1832, p.2984 46 2984 [Full Text] [Proceedings]
2009. "The Lunar X-ray Observatory (LXO)/Magnetosheath Explorer in X-rays (MagEX)." LOCAL BUBBLE AND BEYOND II 1156 105-111 [Proceedings]
2008. "The Lunar X-ray Observatory (LXO)." Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray [10.1117/12.790182] [Proceedings]
2000. "The HEOS magnetic field observations of the Earth's cusp in the context of modern field models." CLUSTER-II WORKSHOP MULTISCALE/MULTIPOINT PLASMA MEASUREMENTS, PROCEEDINGS 449 359-362 [Proceedings]
2000. "Observations of the northern polar cusp with the polar spacecraft." CLUSTER-II WORKSHOP MULTISCALE/MULTIPOINT PLASMA MEASUREMENTS, PROCEEDINGS 449 319-322 [Proceedings]