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Pluto's Far Side

Stern, S. A. and White, O. L. and McGovern, P. J. and Keane, J. T. and Conrad, J. W. and Bierson, C. J. and Lauer, T. R. and Olkin, C. B. and Young, L. A. and Schenk, P. M. and Moore, J. M. and Weaver, H. A. and Runyon, K. D. and Ennico, K. (2021) Pluto's Far Side. Icarus, 356 . Art. No. 113805. ISSN 0019-1035.

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The New Horizons spacecraft provided near-global observations of Pluto that far exceed the resolution of Earth-based datasets. However, most previous Pluto New Horizons analyses focused on the New Horizons encounter hemisphere (i.e., the anti-Charon hemisphere containing Sputnik Planitia). In this work, we summarize and interpret data on Pluto's “far side” (i.e., its non-encounter or alternatively, its sub-Charon hemisphere), providing the first integrated New Horizons overview of Pluto's far side terrains. We find strong evidence for widespread bladed (i.e., aligned CH₄-mountain) deposits, evidence for an impact crater about as large as any on the “near side” hemisphere, evidence for complex lineations approximately antipodal to Sputnik Planitia that may be causally related, evidence that the far side maculae (i.e., equatorial dark regions) are smaller and more structured than Pluto's encounter hemisphere maculae, and more.

Item Type:Article
Related URLs:
URLURL TypeDescription
White, O. L.0000-0003-0126-4625
McGovern, P. J.0000-0001-9647-3096
Keane, J. T.0000-0002-4803-5793
Bierson, C. J.0000-0002-6840-7187
Lauer, T. R.0000-0003-3234-7247
Olkin, C. B.0000-0002-5846-716X
Schenk, P. M.0000-0003-1316-5667
Weaver, H. A.0000-0003-0951-7762
Ennico, K.0000-0002-8847-8492
Additional Information:© 2020 Elsevier Inc. Received 16 October 2019, Revised 27 March 2020, Accepted 31 March 2020, Available online 14 April 2020. This work was supported, except as otherwise noted, by NASA's New Horizons mission. PJM was supported by NASA's New Frontiers Data Analysis Program grant 80NSSC18K1317, from which OLW also received partial support. We acknowledge helpful comments from our colleague Tanguy Bertrand, referee Geoff Collins, and another (anonymous) referee. This paper is dedicated to the future spacecraft exploration of Pluto's fascinating far side. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Funding AgencyGrant Number
Subject Keywords:Pluto, surface; Geological processes
Record Number:CaltechAUTHORS:20200422-150741164
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Official Citation:S.A. Stern, O.L. White, P.J. McGovern, J.T. Keane, J.W. Conrad, C.J. Bierson, T.R. Lauer, C.B. Olkin, L.A. Young, P.M. Schenk, J.M. Moore, H.A. Weaver, K.D. Runyon, K. Ennico, Pluto's Far Side, Icarus, Volume 356, 2021, 113805, ISSN 0019-1035, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102722
Deposited By: Tony Diaz
Deposited On:22 Apr 2020 22:30
Last Modified:08 Jan 2021 19:07

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