Search Results - "Rivera‐Valentín, E. G."

The LCROSS Impact Crater as Seen by ShadowCam and Mini‐RF: Size, Context, and Excavation of Copernican Volatiles by Fassett, C. I., Robinson, M. S., Patterson, G. W., Denevi, B. W., Mahanti, P., Mazarico, E., Rivera‐Valentín, E. G., Turner, F. S., Manheim, M. R., Colaprete, A.

“…The Lunar CRater Observations and Sensing Satellite (LCROSS) impacted a Centaur rocket stage into a permanently shadowed region (PSR) in Cabeus crater,…”
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Experimental simulations of CH4 evaporation on Titan by Luspay-Kuti, A., Chevrier, V. F., Wasiak, F. C., Roe, L. A., Welivitiya, W. D. D. P., Cornet, T., Singh, S., Rivera-Valentin, E. G.

“…We present the first experimental results on the evaporation of liquid CH4 under simulated Titan surface conditions similar to those observed at the Huygens…”
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The Effect of Mars‐Relevant Soil Analogs on the Water Uptake of Magnesium Perchlorate and Implications for the Near‐Surface of Mars by Primm, K. M., Gough, R. V., Wong, J., Rivera‐Valentin, E. G., Martinez, G. M., Hogancamp, J. V., Archer, P. D., Ming, D. W., Tolbert, M. A.

“…The water uptake and release by perchlorate salts have been well studied since the first in situ identification of such salts in the Martian soil by the…”
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Deliquescence and efflorescence of calcium perchlorate: An investigation of stable aqueous solutions relevant to Mars by Nuding, D.L., Rivera-Valentin, E.G., Davis, R.D., Gough, R.V., Chevrier, V.F., Tolbert, M.A.

“…Calcium perchlorate (Ca(ClO4)2) is a highly deliquescent salt that may exist on the surface of present-day Mars; however, its water uptake properties have not…”
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Water uptake by chlorate salts under Mars-relevant conditions by Fernanders, M.S., Gough, R.V., Chevrier, V.F., Schiffman, Z.R., Ushijima, S.B., Martinez, G.M., Rivera-Valentín, E.G., Archer, P.D., Clark, J.V., Sutter, B., Tolbert, M.A.

“…Chlorine is ubiquitous on Mars, some of it in the form of oxy-chlorine salts. Chlorine-containing salts have been found at several landing sites, including…”
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Solid-solid hydration and dehydration of Mars-relevant chlorine salts: Implications for Gale Crater and RSL locations by Gough, R.V., Primm, K.M., Rivera-Valentín, E.G., Martínez, G.M., Tolbert, M.A.

“…•We perform low-temperature laboratory studies of perchlorate & chloride hydration.•Under certain lab conditions, salts can hydrate and dehydrate.•Salts at…”
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Possible water lubricated grain movement in the circumpolar region of Mars by Kereszturi, A., Rivera-Valentin, E.G.

“…In this work we evaluate a new model on the possibility, could microscopic liquid water supported grain movement on Mars happen at the circumpolar region (in…”
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Experimental constraints on the composition and dynamics of Titan's polar lakes by Luspay-Kuti, A., Chevrier, V.F., Cordier, D., Rivera-Valentin, E.G., Singh, S., Wagner, A., Wasiak, F.C.

“…Titan's polar lakes are thought to be predominantly composed of liquid ethane and methane; however, little is known on the ratio of these hydrocarbons in the…”
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CONSTRAINTS ON PLANETESIMAL DISK MASS FROM THE CRATERING RECORD AND EQUATORIAL RIDGE ON IAPETUS by Rivera-Valentin, E G, Barr, A C, Lopez Garcia, E J, Kirchoff, M R, Schenk, P M

“…Iapetus, the outermost regular satellite of Saturn, has a drastic albedo dichotomy and an equatorial circumferential ridge that reaches heights of 20 km and…”
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Shaking and Tumbling: Short- and Long-Timescale Mechanisms for Resurfacing of Near-Earth Asteroid Surfaces from Planetary Tides and Predictions for the 2029 Earth Encounter by (99942) Apophis by Ballouz, R. -L, Agrusa, H, Barnouin, O. S, Walsh, K. J, Zhang, Y, Binzel, R. P, Bray, V. J, DellaGiustina, D. N, Jawin, E. R, DeMartini, J. V, Marusiak, A, Michel, P, Murdoch, N, Richardson, D. C, Rivera-Valentín, E. G, Rivkin, A. S, Tang, Y

“…Spectral characterization of near-Earth asteroids (NEAs) has revealed a continuum of space-weathered states for the surfaces of S-complex NEAs, with Q-class…”
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Experimental simulations of CH 4 evaporation on Titan by Luspay‐Kuti, A., Chevrier, V. F., Wasiak, F. C., Roe, L. A., Welivitiya, W. D. D. P., Cornet, T., Singh, S., Rivera‐Valentin, E. G.

“…We present the first experimental results on the evaporation of liquid CH 4 under simulated Titan surface conditions similar to those observed at the Huygens…”
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