Search Results - "Randall Gladstone, G."

Modeling Cassini UVIS Interplanetary Hydrogen Lyα Observations from 1999 to 2017 by Pryor, Wayne R., Gladstone, G. Randall, Retherford, Kurt D., Tobiska, W. Kent, Holsclaw, Gregory M., Esposito, Larry W.

“…The Cassini Orbiter Ultraviolet Imaging Spectrograph (UVIS) obtained interplanetary hydrogen Ly α observations from 1999 to 2017, with mid-2004 to 2017…”
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The lunar far-UV albedo: Indicator of hydration and weathering by Hendrix, Amanda R., Retherford, Kurt D., Randall Gladstone, G., Hurley, Dana M., Feldman, Paul D., Egan, Anthony F., Kaufmann, David E., Miles, Paul F., Parker, Joel W., Horvath, David, Rojas, Paul M., Versteeg, Maarten H., Davis, Michael W., Greathouse, Thomas K., Mukherjee, Joey, Steffl, Andrew J., Pryor, Wayne R., Stern, S. Alan

“…We present an analysis of Lunar Reconnaissance Orbiter (LRO) Lyman Alpha Mapping Project (LAMP) measurements of the dayside lunar surface at far‐ultraviolet…”
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New Synoptic Observations of the Cosmic Optical Background with New Horizons by Postman, Marc, Lauer, Tod R., Parker, Joel W., Spencer, John R., Weaver, Harold A., Shull, J. Michael, Stern, S. Alan, Brandt, Pontus, Conard, Steven J., Gladstone, G. Randall, Lisse, Carey M., Porter, Simon B., Singer, Kelsi N., Verbiscer, Anne. J.

“…We obtained New Horizons LORRI images to measure the cosmic optical background (COB) intensity integrated over 0.4 μ m ≲ λ ≲ 0.9 μ m. The survey comprises 16…”
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Far-ultraviolet reflectance properties of the Moon's permanently shadowed regions by Gladstone, G. Randall, Retherford, Kurt D., Egan, Anthony F., Kaufmann, David E., Miles, Paul F., Parker, Joel W., Horvath, David, Rojas, Paul M., Versteeg, Maarten H., Davis, Michael W., Greathouse, Thomas K., Slater, David C., Mukherjee, Joey, Steffl, Andrew J., Feldman, Paul D., Hurley, Dana M., Pryor, Wayne R., Hendrix, Amanda R., Mazarico, Erwan, Stern, S. Alan

“…Although of great interest for science and resource utilization, the Moon's permanently shadowed regions (PSRs) near each pole present difficult targets for…”
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The impact of an ICME on the Jovian X‐ray aurora by Dunn, William R., Branduardi‐Raymont, Graziella, Elsner, Ronald F., Vogt, Marissa F., Lamy, Laurent, Ford, Peter G., Coates, Andrew J., Gladstone, G. Randall, Jackman, Caitriona M., Nichols, Jonathan D., Rae, I. Jonathan, Varsani, Ali, Kimura, Tomoki, Hansen, Kenneth C., Jasinski, Jamie M.

“…We report the first Jupiter X‐ray observations planned to coincide with an interplanetary coronal mass ejection (ICME). At the predicted ICME arrival time, we…”
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LRO-LAMP Observations of the LCROSS Impact Plume by Gladstone, G. Randall, Hurley, Dana M, Retherford, Kurt D, Feldman, Paul D, Pryor, Wayne R, Chaufray, Jean-Yves, Versteeg, Maarten, Greathouse, Thomas K, Steffl, Andrew J, Throop, Henry, Parker, Joel Wm, Kaufmann, David E, Egan, Anthony F, Davis, Michael W, Slater, David C, Mukherjee, Joey, Miles, Paul F, Hendrix, Amanda R, Colaprete, Anthony, Stern, S. Alan

“…On 9 October 2009, the Lunar Crater Observation and Sensing Satellite (LCROSS) sent a kinetic impactor to strike Cabeus crater, on a mission to search for…”
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Two-dimensional distribution of volatiles in the lunar regolith from space weathering simulations by Hurley, Dana M., Lawrence, David J., Bussey, D. Benjamin J., Vondrak, Richard R., Elphic, Richard C., Gladstone, G. Randall

“…We present simulations of space weathering effects on ice deposits in regions of permanent shadow on the Moon. These Monte Carlo simulations follow the effects…”
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LRO/LAMP observations of the lunar helium exosphere: constraints on thermal accommodation and outgassing rate by Grava, Cesare, Hurley, Dana M, Feldman, Paul D, Retherford, Kurt D, Greathouse, Thomas K, Pryor, Wayne R, Gladstone, G Randall, Halekas, Jasper S, Mandt, Kathleen E, Wyrick, Danielle Y, Davis, Michael W, Egan, Anthony F, Kaufmann, David E, Versteeg, Maarten H, Stern, S Alan

“…ABSTRACT We report a comprehensive study by the UV spectrograph LAMP (Lyman-Alpha Mapping Project) onboard the Lunar Reconnaissance Orbiter to map the spatial…”
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Pluto’s implications for a Snowball Titan by Wong, Michael L., Yung, Yuk L., Randall Gladstone, G.

“…•Discussion of an ancient Snowball state for Titan and Titan’s present-day atmosphere.•Photochemical model used to simulate atmospheres of paleo-Titan and…”
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SOHO SWAN Lyα Models Supporting LRO LAMP: 2008–2023 by Pryor, Wayne R., Tobiska, W. Kent, Retherford, Kurt D., Grava, Cesare, Egan, Anthony, Greathouse, Thomas K., Gladstone, G. Randall, Quémerais, Eric

“…The Lunar Reconnaissance Orbiter Lyman-Alpha Mapping Project (LAMP) has been mapping the Moon since its launch in 2009. Faint ultraviolet illumination of the…”
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Revealing the source of Jupiter’s x-ray auroral flares by Yao, Zhonghua, Dunn, William R., Woodfield, Emma E., Clark, George, Mauk, Barry H., Ebert, Robert W., Grodent, Denis, Bonfond, Bertrand, Pan, Dongxiao, Rae, I. Jonathan, Ni, Binbin, Guo, Ruilong, Branduardi-Raymont, Graziella, Wibisono, Affelia D., Rodriguez, Pedro, Kotsiaros, Stavros, Ness, Jan-Uwe, Allegrini, Frederic, Kurth, William S., Gladstone, G. Randall, Kraft, Ralph, Sulaiman, Ali H., Manners, Harry, Desai, Ravindra T., Bolton, Scott J.

“…Jupiter’s unique x-ray aurora is driven by the same processes as Earth’s: Heavy ion scattering by electromagnetic waves. Jupiter’s rapidly rotating, strong…”
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ALICE: The Ultraviolet Imaging Spectrograph Aboard the New Horizons Pluto–Kuiper Belt Mission by Stern, S. Alan, Slater, David C., Scherrer, John, Stone, John, Dirks, Greg, Versteeg, Maarten, Davis, Michael, Gladstone, G. Randall, Parker, Joel W., Young, Leslie A., Siegmund, Oswald H. W.

“…The ALICE instrument is a lightweight (4.4 kg), low-power (4.4 watt) imaging spectrograph aboard the New Horizons mission to the Pluto system and the Kuiper…”
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LRO-LAMP detection of geologically young craters within lunar permanently shaded regions by Mandt, Kathleen E., Greathouse, Thomas K., Retherford, Kurt D., Randall Gladstone, G., Jordan, Andrew P., Lemelin, Myriam, Koeber, Steven D., Bowman-Cisneros, Ernest, Wesley Patterson, G., Robinson, Mark, Lucey, Paul G., Hendrix, Amanda R., Hurley, Dana, Stickle, Angela M., Pryor, Wayne

“…•With LRO-LAMP Lyman-α maps we have detected two fresh craters in lunar south pole PSRs.•We estimate the ages of these craters to be 75–420Myr and 16Myr,…”
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LAMP: The Lyman Alpha Mapping Project on NASA’s Lunar Reconnaissance Orbiter Mission by Gladstone, G. Randall, Stern, S. Alan, Retherford, Kurt D., Black, Ronald K., Slater, David C., Davis, Michael W., Versteeg, Maarten H., Persson, Kristian B., Parker, Joel W., Kaufmann, David E., Egan, Anthony F., Greathouse, Thomas K., Feldman, Paul D., Hurley, Dana, Pryor, Wayne R., Hendrix, Amanda R.

“…The Lyman Alpha Mapping Project (LAMP) is a far-ultraviolet (FUV) imaging spectrograph on NASA’s Lunar Reconnaissance Orbiter (LRO) mission. Its main…”
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X-rays from solar system objects by Bhardwaj, Anil, Elsner, Ronald F., Randall Gladstone, G., Cravens, Thomas E., Lisse, Carey M., Dennerl, Konrad, Branduardi-Raymont, Graziella, Wargelin, Bradford J., Hunter Waite, J., Robertson, Ina, Østgaard, Nikolai, Beiersdorfer, Peter, Snowden, Steven L., Kharchenko, Vasili

“…During the last few years our knowledge about the X-ray emission from bodies within the solar system has significantly improved. Several new solar system…”
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Improved Determination of Europa's Long‐Wavelength Topography Using Stellar Occultations by Abrahams, Jacob N. H., Nimmo, Francis, Becker, Tracy M., Gladstone, G. Randall, Retherford, Kurt D., Steinbrügge, Gregor, Mazarico, Erwan

“…Europa Clipper will arrive at Jupiter at the end of this decade and will explore Europa through a series of flybys. One of its many goals is to characterize…”
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Temporal variability of lunar exospheric helium during January 2012 from LRO/LAMP by Feldman, Paul D., Hurley, Dana M., Retherford, Kurt D., Gladstone, G. Randall, Stern, S. Alan, Pryor, Wayne, Parker, Joel Wm, Kaufmann, David E., Davis, Michael W., Versteeg, Maarten H.

“…► Lunar He exosphere observed by LAMP spectrograph on Lunar Reconnaissance Orbiter. ► Illuminated atmosphere observed against dark lunar surface during January…”
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Possible Transient Luminous Events Observed in Jupiter's Upper Atmosphere by Giles, Rohini S., Greathouse, Thomas K., Bonfond, Bertrand, Gladstone, G. Randall, Kammer, Joshua A., Hue, Vincent, Grodent, Denis C., Gérard, Jean‐Claude, Versteeg, Maarten H., Wong, Michael H., Bolton, Scott J., Connerney, John E. P., Levin, Steven M.

“…Eleven transient bright flashes were detected in Jupiter's atmosphere using the ultraviolet spectrograph instrument on the Juno spacecraft. These bright…”
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New Horizons Observations of the Atmosphere of Pluto by Gladstone, G. Randall, Young, Leslie A

“…New Horizons data provide a snapshot of the current state of Pluto's atmosphere. Winds are slow and mostly controlled by sublimation of surface ices. Molecular…”
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Upper limits for a lunar dust exosphere from far-ultraviolet spectroscopy by LRO/LAMP by Feldman, Paul D., Glenar, David A., Stubbs, Timothy J., Retherford, Kurt D., Randall Gladstone, G., Miles, Paul F., Greathouse, Thomas K., Kaufmann, David E., Parker, Joel Wm, Alan Stern, S.

“…•LAMP spectrograph on Lunar Reconnaissance Orbiter searched for dust exosphere.•Illuminated atmosphere observed above dark lunar limb with Sun just below…”
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