Titan: Earth-like on the Outside, Ocean World on the Inside

被引：20

作者：

MacKenzie, Shannon M. ^{[1
]}

Birch, Samuel P. D. ^{[2
]}

Horst, Sarah ^{[3
]}

Sotin, Christophe ^{[4
]}

Barth, Erika ^{[5
]}

Lora, Juan M. ^{[6
]}

Trainer, Melissa G. ^{[7
]}

Corlies, Paul ^{[2
]}

Malaska, Michael J. ^{[4
]}

Sciamma-O'Brien, Ella ^{[8
]}

Thelen, Alexander E. ^{[7
]}

Turtle, Elizabeth ^{[1
]}

Radebaugh, Jani ^{[9
]}

Hanley, Jennifer ^{[10
]}

Solomonidou, Anezina ^{[11
]}

Newman, Claire ^{[12
]}

Regoli, Leonardo ^{[1
]}

Rodriguez, Sebastien ^{[13
]}

Seignovert, Benoit ^{[14
]}

Hayes, Alexander G. ^{[15
]}

Journaux, Baptiste ^{[16
]}

Steckloff, Jordan ^{[17
]}

Nna-Mvondo, Delphine ^{[18
]}

Cornet, Thomas ^{[19
]}

Palmer, Maureen Y. ^{[20
]}

Lopes, Rosaly M. C. ^{[4
]}

Vinatier, Sandrine ^{[21
]}

Lorenz, Ralph ^{[1
]}

Nixon, Conor ^{[7
]}

Czaplinski, Ellen ^{[22
]}

Barnes, Jason W. ^{[23
]}

Sittler, Ed ^{[7
]}

Coates, Andrew ^{[24
]}

机构：

[1] Johns Hopkins Univ, Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA

[2] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA

[3] Johns Hopkins Univ, Dept Earth & Planetary Sci, Baltimore, MD 21218 USA

[4] CALTECH, Jet Prop Lab, Pasadena, CA USA

[5] Southwest Res Inst, Boulder, CO USA

[6] Yale Univ, Dept Earth & Planetary Sci, New Haven, CT USA

[7] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA

[8] NASA, Ames Space Sci & Astrobiol Div, Washington, DC 20546 USA

[9] Brigham Young Univ, Dept Geol Sci, S-389 ESC, Provo, UT 84602 USA

[10] Lowell Observ, 1400 W Mars Hill Rd, Flagstaff, AZ 86001 USA

[11] CALTECH, Pasadena, CA 91125 USA

[12] Aeolis Res, 333 N Dobson Rd,Unit 5, Chandler, AZ 85224 USA

[13] Univ Paris, Inst Phys Globe Paris, CNRS, Paris, France

[14] Univ Nantes, Lab Planetol & Geodynam, Nantes, France

[15] Cornell Univ, Ithaca, NY USA

[16] Univ Washington, Seattle, WA 98195 USA

[17] Planetary Sci Inst, 1700 E Ft Lowell Rd,Suite 106, Tucson, AZ USA

[18] Univ Maryland Baltimore Cty, Ctr Space Sci & Technol, Baltimore, MD 21228 USA

[19] Aurora Technol BV European Space Agcy ESA, European Space Astron Ctr ESAC, Madrid, Spain

[20] Univ Arizona, Lunar & Planetary Lab, 1629 E Univ Blvd, Tucson, AZ 85721 USA

[21] Univ Paris, Univ PSL, Sorbonne Univ, LESIA,Observ Paris,CNRS, 5 Pl Jules Janssen, F-92195 Meudon, France

[22] Univ Arkansas, Arkansas Ctr Space & Planetary Sci, Fayetteville, AR 72701 USA

[23] Univ Idaho, Dept Phys, Moscow, ID USA

[24] UCL, Mullard Space Sci Lab, London, England

来源：

PLANETARY SCIENCE JOURNAL | 2021年 / 2卷 / 03期

关键词：

HIGH-PRESSURE; PREBIOTIC CHEMISTRY; CHEMICAL-COMPOSITION; IN-SITU; OBSERVATIONAL EVIDENCE; SURFACE TEMPERATURES; TRANSIENT FEATURES; ORGANIC-CHEMISTRY; CASSINI RADAR; DUNE FIELDS;

D O I：

10.3847/PSJ/abf7c9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Thanks to the Cassini-Huygens mission, Titan, the pale orange dot of Pioneer and Voyager encounters, has been revealed to be a dynamic, hydrologically shaped, organic-rich ocean world offering unparalleled opportunities to explore prebiotic chemistry. And while Cassini-Huygens revolutionized our understanding of each of the three "layers" of Titan-the atmosphere, the surface, and the interior-we are only beginning to hypothesize how these realms interact. In this paper, we summarize the current state of Titan knowledge and discuss how future exploration of Titan would address some of the next decade's most compelling planetary science questions. We also demonstrate why exploring Titan, both with and beyond the Dragonfly New Frontiers mission, is a necessary and complementary component of an Ocean Worlds Program that seeks to understand whether habitable environments exist elsewhere in our solar system.

引用

页数：13

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