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The Pluto System: Initial Results From Its Exploration by New Horizons

S A Stern  1 F Bagenal  2 K Ennico  3 G R Gladstone  4 W M Grundy  5 W B McKinnon  6 J M Moore  3 C B Olkin  7 J R Spencer  7 H A Weaver  8 L A Young  7 T Andert  9 J Andrews  7 M Banks  10 B Bauer  8 J Bauman  11 O S Barnouin  8 P Bedini  8 K Beisser  8 R A Beyer  3 S Bhaskaran  12 R P Binzel  13 E Birath  7 M Bird  14 D J Bogan  15 A Bowman  8 V J Bray  16 M Brozovic  12 C Bryan  11 M R Buckley  8 M W Buie  7 B J Buratti  12 S S Bushman  8 A Calloway  8 B Carcich  17 A F Cheng  8 S Conard  8 C A Conrad  7 J C Cook  7 D P Cruikshank  3 O S Custodio  8 C M Dalle Ore  3 C Deboy  8 Z J B Dischner  7 P Dumont  11 A M Earle  13 H A Elliott  4 J Ercol  8 C M Ernst  8 T Finley  7 S H Flanigan  8 G Fountain  8 M J Freeze  8 T Greathouse  4 J L Green  18 Y Guo  8 M Hahn  19 D P Hamilton  20 S A Hamilton  8 J Hanley  4 A Harch  7 H M Hart  8 C B Hersman  8 A Hill  8 M E Hill  8 D P Hinson  21 M E Holdridge  8 M Horanyi  2 A D Howard  22 C J A Howett  7 C Jackman  11 R A Jacobson  12 D E Jennings  23 J A Kammer  7 H K Kang  8 D E Kaufmann  7 P Kollmann  8 S M Krimigis  8 D Kusnierkiewicz  8 T R Lauer  24 J E Lee  25 K L Lindstrom  8 I R Linscott  26 C M Lisse  8 A W Lunsford  23 V A Mallder  8 N Martin  7 D J McComas  4 R L McNutt Jr  8 D Mehoke  8 T Mehoke  8 E D Melin  8 M Mutchler  27 D Nelson  11 F Nimmo  28 J I Nunez  8 A Ocampo  18 W M Owen  12 M Paetzold  19 B Page  11 A H Parker  7 J W Parker  7 F Pelletier  11 J Peterson  7 N Pinkine  8 M Piquette  2 S B Porter  7 S Protopapa  20 J Redfern  7 H J Reitsema  7 D C Reuter  23 J H Roberts  8 S J Robbins  7 G Rogers  8 D Rose  7 K Runyon  8 K D Retherford  4 M G Ryschkewitsch  8 P Schenk  29 E Schindhelm  7 B Sepan  8 M R Showalter  21 K N Singer  7 M Soluri  30 D Stanbridge  11 A J Steffl  7 D F Strobel  31 T Stryk  32 M E Summers  33 J R Szalay  2 M Tapley  4 A Taylor  11 H Taylor  8 H B Throop  10 C C C Tsang  7 G L Tyler  26 O M Umurhan  3 A J Verbiscer  34 M H Versteeg  4 M Vincent  7 R Webbert  8 S Weidner  4 G E Weigle 2nd  4 O L White  3 K Whittenburg  8 B G Williams  11 K Williams  11 S Williams  8 W W Woods  26 A M Zangari  7 E Zirnstein  4
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The Pluto System: Initial Results From Its Exploration by New Horizons

S A Stern et al. Science.

Abstract

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 crust, geologically young surface units, surface ice convection, wind streaks, volatile transport, and glacial flow. Pluto's atmosphere is highly extended, with trace hydrocarbons, a global haze layer, and a surface pressure near 10 microbars. Pluto's diverse surface geology and long-term activity raise fundamental questions about how small planets remain active many billions of years after formation. Pluto's large moon Charon displays tectonics and evidence for a heterogeneous crustal composition; its north pole displays puzzling dark terrain. Small satellites Hydra and Nix have higher albedos than expected.

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