Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Retherford, K. D."'
Autor:
Cordiner, M. A., Thelen, A. E., Lai, I. -L., Tseng, W. -L., Nixon, C. A., Kuan, Y. -J., Villanueva, G. L., Paganini, L., Charnley, S. B., Retherford, K. D.
The subsurface ocean of Europa is a high priority target in the search for extraterrestrial life, but direct investigations are hindered by the presence of a thick, exterior ice shell. Here we present spectral line and continuum maps of Europa obtain
Externí odkaz:
http://arxiv.org/abs/2404.05525
Autor:
Roth, L., Blöcker, A., de Kleer, K., Goldstein, D., Lellouch, E., Saur, J., Schmidt, C., Strobel, D. F., Tao, C., Tsuchiya, F., Dols, V., Huybrighs, H., Mura, A., Szalay, J. R., Badman, S. V., de Pater, I., Dott, A. -C., Kagitani, M., Klaiber, L., Koga, R., McEwen, A., Milby, Z., Retherford, K. D., Schlegel, S., Thomas, N., Tseng, W. L., Vorburger, A.
Since the Voyager mission flybys in 1979, we have known the moon Io to be extremely volcanically active as well as to be the main source of plasma in the vast magnetosphere of Jupiter. Material lost from Io forms neutral clouds, the Io plasma torus a
Externí odkaz:
http://arxiv.org/abs/2403.13970
Autor:
Velez, M. A., Retherford, K. D., Hue, V., Kammer, J. A., Becker, T. M., Gladstone, G. R., Davis, M. W., Greathouse, T. K., Molyneux, P. M., Brooks, S. M., Raut, U., Versteeg, M. H.
Ultraviolet spectroscopy is a powerful method to study planetary surface composition through reflectance measurements and atmospheric composition through stellar/solar occultations, transits of other planetary bodies, and direct imaging of airglow an
Externí odkaz:
http://arxiv.org/abs/2303.04043
Autor:
Keeney, B. A., Versteeg, M., Parker, J. Wm., Stern, S. A., Brunts, P., Davis, M. W., Elliott, H. A., Ennico, K., Gladstone, G. R., McNutt, Jr., R. L., Olkin, C. B., Retherford, K. D., Singer, K. N., Spencer, J. R., Steffl, A. J., Weaver, H. A., Young, L. A.
Publikováno v:
Research Notes of the AAS, 2020, Volume 4, Number 5
The Alice UV spectrograph aboard NASA's New Horizons mission is sensitive to MeV electrons that penetrate the instrument's thin aluminum housing and interact with its microchannel plate detector. We have searched for penetrating electrons at heliocen
Externí odkaz:
http://arxiv.org/abs/2005.02424
Autor:
Grundy, W. M., Cruikshank, D. P., Gladstone, G. R., Howett, C. J. A., Lauer, T. R., Spencer, J. R., Summers, M. E., Buie, M. W., Earle, A. M., Ennico, K., Parker, J. Wm., Porter, S. B., Singer, K. N., Stern, S. A., Verbiscer, A. J., Beyer, R. A., Binzel, R. P., Buratti, B. J., Cook, J. C., Ore, C. M. Dalle, Olkin, C. B., Parker, A. H., Protopapa, S., Quirico, E., Retherford, K. D., Robbins, S. J., Schmitt, B., Stansberry, J. A., Umurhan, O. M., Weaver, H. A., Young, L. A., Zangari, A. M., Bray, V. J., Cheng, A. F., McKinnon, W. B., McNutt Jr., R. L., Moore, J. M., Nimmo, F., Reuter, D. C., Schenk, P. M., Team, the New Horizons Science
Publikováno v:
Published in 2016 in Nature 539, 65-68
A unique feature of Pluto's large satellite Charon is its dark red northern polar cap. Similar colours on Pluto's surface have been attributed to organic macromolecules produced by energetic radiation processing of hydrocarbons. The polar location of
Externí odkaz:
http://arxiv.org/abs/1903.03724
Akademický článek
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Autor:
Kammer, J. A., Becker, T. M., Retherford, K. D., Stern, S. A., Olkin, C. B., Buie, M. W., Spencer, J. R., Bosh, A. S., Wasserman, L. H.
We observed the July 17, 2017 stellar occultation of HD 168233 by the Kuiper Belt Object (486958) 2014 MU$_{69}$, the close flyby target of the extended New Horizons mission. Rather than capture a solid body occultation by the KBO itself, our program
Externí odkaz:
http://arxiv.org/abs/1806.09684
Autor:
Stern, S. A., Bagenal, F., Ennico, K., Gladstone, G. R., Grundy, W. M., McKinnon, W. B., Moore, J. M., Olkin, C. B., Spencer, J. R., Weaver, H. A., Young, L. A., Andert, T., Andrews, J., Banks, M., Bauer, B., Bauman, J., Barnouin, O. S., Bedini, P., Beisser, K., Beyer, R. A., Bhaskaran, S., Binzel, R. P., Birath, E., Bird, M., Bogan, D. J., Bowman, A., Bray, V. J., Brozovic, M., Bryan, C., Buckley, M. R., Buie, M. W., Buratti, B. J., Bushman, S. S., Calloway, A., Carcich, B., Cheng, A. F., Conard, S., Conrad, C. A., Cook, J. C., Cruikshank, D. P., Custodio, O. S., Ore, C. M. Dalle, Deboy, C., Dischner, Z. J. B., Dumont, P., Earle, A. M., Elliott, H. A., Ercol, J., Ernst, C. M., Finley, T., Flanigan, S. H., Fountain, G., Freeze, M. J., Greathouse, T., Green, J. L., Guo, Y., Hahn, M., Hamilton, D. P., Hamilton, S. A., Hanley, J., Harch, A., Hart, H. M., Hersman, C. B., Hill, A., Hill, M. E., Hinson, D. P., Holdridge, M. E., Horanyi, M., Howard, A. D., Howett, C. J. A., Jackman, C., Jacobson, R. A., Jennings, D. E., Kammer, J. A., Kang, H. K., Kaufmann, D. E., Kollmann, P., Krimigis, S. M., Kusnierkiewicz, D., Lauer, T. R., Lee, J. E., Lindstrom, K. L., Linscott, I. R., Lisse, C. M., Lunsford, A. W., Mallder, V. A., Martin, N., McComas, D. J., McNutt Jr., R. L., Mehoke, D., Mehoke, T., Melin, E. D., Mutchler, M., Nelson, D., Nimmo, F., Nunez, J. I., Ocampo, A., Owen, W. M., Paetzold, M., Page, B., Parker, A. H., Parker, J. W., Pelletier, F., Peterson, J., Pinkine, N., Piquette, M., Porter, S. B., Protopapa, S., Redfern, J., Reitsema, H. J., Reuter, D. C., Roberts, J. H., Robbins, S. J., Rogers, G., Rose, D., Runyon, K., Retherford, K. D., Ryschkewitsch, M. G., Schenk, P., Schindhelm, R., Sepan, B., Showalter, M. R., Singer, K. N., Soluri, M., Stanbridge, D., Steffl, A. J., Strobel, D. F., Stryk, T., Summers, M. E., Szalay, J. R., Tapley, M., Taylor, A., Taylor, H., Throop, H. B., Tsang, C. C. C., Tyler, G. L., Umurhan, O. M., Verbiscer, A. J., Versteeg, M. H., Vincent, M., Webbert, R., Weidner, S., Weigle II, G. E., White, O. L., Whittenburg, K., Williams, B. G., Williams, K., Williams, S., Woods, W. W., Zangari, A. M., Zirnstein, E.
Publikováno v:
Science, vol 350, 292, 2015
The Pluto system was recently explored by NASA's New Horizons spacecraft, making closest approach on 14 July 2015. Pluto's surface displays diverse landforms, terrain ages, albedos, colors, and composition gradients. Evidence is found for a water-ice
Externí odkaz:
http://arxiv.org/abs/1510.07704
Akademický článek
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Autor:
Steffl, A. J., Shinn, A. B., Gladstone, G. R., Parker, J. Wm., Retherford, K. D., Slater, D. C., Versteeg, M. H., Stern, S. A.
Publikováno v:
Journal of Geophysical Research (Space Physics), 2012, vol 117, pp. A10222
In early 2007, the New Horizons spacecraft flew through the Jovian magnetosphere on the dusk side. Here, we present results from a novel means of detecting energetic electrons along New Horizons' trajectory: the background count rate of the Alice ult
Externí odkaz:
http://arxiv.org/abs/1301.3797