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]