Search Results - "Stubbs, T. J."

Lunar soil hydration constrained by exospheric water liberated by meteoroid impacts by Benna, M., Hurley, D. M., Stubbs, T. J., Mahaffy, P. R., Elphic, R. C.

“…Analyses of samples from the Apollo missions suggest that the Moon formed devoid of native water. However, recent observations by Cassini, Deep Impact, Lunar…”
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How surface composition and meteoroid impacts mediate sodium and potassium in the lunar exosphere by Colaprete, A., Sarantos, M., Wooden, D. H., Stubbs, T. J., Cook, A. M., Shirley, M.

“…Despite being trace constituents of the lunar exosphere, sodium and potassium are the most readily observed species due to their bright line emission…”
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Solar wind access to lunar polar craters: Feedback between surface charging and plasma expansion by Zimmerman, M. I., Farrell, W. M., Stubbs, T. J., Halekas, J. S., Jackson, T. L.

“…Determining the plasma environment within permanently shadowed lunar craters is critical to understanding local processes such as surface charging,…”
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CRaTER: The Cosmic Ray Telescope for the Effects of Radiation Experiment on the Lunar Reconnaissance Orbiter Mission by Spence, H. E., Case, A. W., Golightly, M. J., Heine, T., Larsen, B. A., Blake, J. B., Caranza, P., Crain, W. R., George, J., Lalic, M., Lin, A., Looper, M. D., Mazur, J. E., Salvaggio, D., Kasper, J. C., Stubbs, T. J., Doucette, M., Ford, P., Foster, R., Goeke, R., Gordon, D., Klatt, B., O’Connor, J., Smith, M., Onsager, T., Zeitlin, C., Townsend, L. W., Charara, Y.

“…The Cosmic Ray Telescope for the Effects of Radiation (CRaTER) on the Lunar Reconnaissance Orbiter (LRO) characterizes the radiation environment to be…”
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Lunar Prospector observations of the electrostatic potential of the lunar surface and its response to incident currents by Halekas, J. S., Delory, G. T., Lin, R. P., Stubbs, T. J., Farrell, W. M.

“…We present an analysis of Lunar Prospector Electron Reflectometer data from selected time periods using newly developed methods to correct for spacecraft…”
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Anticipated electrical environment within permanently shadowed lunar craters by Farrell, W. M., Stubbs, T. J., Halekas, J. S., Killen, R. M., Delory, G. T., Collier, M. R., Vondrak, R. R.

“…Shadowed locations near the lunar poles are almost certainly electrically complex regions. At these locations near the terminator, the local solar wind flows…”
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Complex electric fields near the lunar terminator: The near-surface wake and accelerated dust by Farrell, W. M., Stubbs, T. J., Vondrak, R. R., Delory, G. T., Halekas, J. S.

“…The lunar near‐surface electric field in the vicinity of the terminator is very complex, with a surface polarity change from dayside‐positive to…”
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Plasma wake simulations and object charging in a shadowed lunar crater during a solar storm by Zimmerman, M. I., Jackson, T. L., Farrell, W. M., Stubbs, T. J.

“…Within a permanently shadowed lunar crater the horizontal flow of solar wind is obstructed by upstream topography, forming a plasma wake that electrostatically…”
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Lunar surface charging during solar energetic particle events: Measurement and prediction by Halekas, J. S., Delory, G. T., Lin, R. P., Stubbs, T. J., Farrell, W. M.

“…We analyzed lunar surface charging during solar energetic particle (SEP) events, utilizing Lunar Prospector measurements of surface potentials and electron…”
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Extreme lunar surface charging during solar energetic particle events by Halekas, J. S., Delory, G. T., Brain, D. A., Lin, R. P., Fillingim, M. O., Lee, C. O., Mewaldt, R. A., Stubbs, T. J., Farrell, W. M., Hudson, M. K.

“…We analyzed a series of solar energetic particle events in late April and early May of 1998, during which lunar surface potentials reached values as large as…”
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Loss of solar wind plasma neutrality and affect on surface potentials near the lunar terminator and shadowed polar regions by Farrell, W. M., Stubbs, T. J., Halekas, J. S., Delory, G. T., Collier, M. R., Vondrak, R. R., Lin, R. P.

“…As the solar wind is absorbed on the lunar dayside, a clear and obvious plasma void is created in the anti‐solar direction that extends many lunar radii behind…”
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Concerning the dissipation of electrically charged objects in the shadowed lunar polar regions by Farrell, W. M., Stubbs, T. J., Delory, G. T., Vondrak, R. R., Collier, M. R., Halekas, J. S., Lin, R. P.

“…NASA recently suggested the construction of a lunar outpost at the south pole near the rim of Shackleton crater. While there are a number of advantages to such…”
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Interplanetary magnetic field control of the location of substorm onset and auroral features in the conjugate hemispheres by Østgaard, N., Mende, S. B., Frey, H. U., Immel, T. J., Frank, L. A., Sigwarth, J. B., Stubbs, T. J.

“…During 2001 and 2002, when the Imager for Magnetopause‐to‐Aurora Global Exploration (IMAGE) satellite had its apogee in the Northern Hemisphere and the Polar…”
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Regarding the possible generation of a lunar nightside exo-ionosphere by Farrell, W.M., Halekas, J.S., Stubbs, T.J., Delory, G.T., Killen, R.M., Hartle, R.E., Collier, M.R.

“…The non-condensing neutral helium exosphere is at its most concentrated levels on the cold lunar nightside. We show herein that these He atoms are susceptible…”
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Simultaneous observations of the auroral ovals in both hemispheres under varying conditions by Stubbs, T. J., Vondrak, R. R., Østgaard, N., Sigwarth, J. B., Frank, L. A.

“…This is the first analysis to use simultaneous observations of the entire auroral ovals in both hemispheres to track their location. Data was used from the…”
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Solar wind charge exchange observed through the lunar exosphere by Robertson, I. P., Sembay, S., Stubbs, T. J., Kuntz, K. D., Collier, M. R., Cravens, T. E., Snowden, S. L., Hills, H. K., Porter, F. S., Travnicek, P., Carter, J. A., Read, A. M.

“…X‐rays can be generated by charge exchange between highly‐charged heavy solar wind ions and neutrals. Previously, simulations have only been performed for…”
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Lunar atmosphere. How surface composition and meteoroid impacts mediate sodium and potassium in the lunar exosphere by Colaprete, A, Sarantos, M, Wooden, D H, Stubbs, T J, Cook, A M, Shirley, M

“…Despite being trace constituents of the lunar exosphere, sodium and potassium are the most readily observed species due to their bright line emission…”
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Absence of a Detectable Lunar Nanodust Exosphere During a Search with LRO's LAMP UV Imaging Spectrograph by Grava, C., Stubbs, T. J., Glenar, D. A., Retherford, K. D., Kaufmann, David E.

“…The Lyman-Alpha Mapping Project (LAMP) UV spectrograph on board the Lunar Reconnaissance Orbiter (LRO) performed a campaign to observe the Moon's nanodust…”
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Evidence for a dynamic nanodust cloud enveloping the Moon by Wooden, D. H., Cook, A. M., Colaprete, A., Glenar, D. A., Stubbs, T. J., Shirley, M.

“…The Moon has a tenuous exosphere and dust-sized particles have been detected. Analysis of spectral observations by the LADEE spacecraft suggests that the Moon…”
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Characterization of Native and Recombinant Bone Sialoprotein: Delineation of the Mineral‐Binding and Cell Adhesion Domains and Structural Analysis of the RGD Domain by Stubbs, John T., Mintz, Keith P., Eanes, Edward D., Torchia, Dennis A., Fisher, Larry W.

“…Bone sialoprotein is a small, sulfated, and phosphorylated integrin‐binding glycoprotein apparently found only in tissues that eventually mineralize…”
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