Color, composition, and thermal environment of Kuiper Belt object (486958) Arrokoth-Reference-Cited by-同舟云学术

Color, composition, and thermal environment of Kuiper Belt object (486958) Arrokoth

Published:2020-02-28 Issue:6481 Volume:367 Page:
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Grundy W. M.¹²^ORCID,Bird M. K.³⁴,Britt D. T.⁵^ORCID,Cook J. C.⁶,Cruikshank D. P.⁷^ORCID,Howett C. J. A.⁸^ORCID,Krijt S.⁹^ORCID,Linscott I. R.¹⁰^ORCID,Olkin C. B.⁸^ORCID,Parker A. H.⁸,Protopapa S.⁸^ORCID,Ruaud M.⁷,Umurhan O. M.⁷¹¹^ORCID,Young L. A.⁸^ORCID,Dalle Ore C. M.⁷¹¹^ORCID,Kavelaars J. J.¹²¹³^ORCID,Keane J. T.¹⁴^ORCID,Pendleton Y. J.⁷,Porter S. B.⁸^ORCID,Scipioni F.⁷¹¹^ORCID,Spencer J. R.⁸^ORCID,Stern S. A.⁸^ORCID,Verbiscer A. J.¹⁵^ORCID,Weaver H. A.¹⁶^ORCID,Binzel R. P.¹⁷^ORCID,Buie M. W.⁸^ORCID,Buratti B. J.¹⁸^ORCID,Cheng A.¹⁶^ORCID,Earle A. M.¹⁷^ORCID,Elliott H. A.¹⁹^ORCID,Gabasova L.²⁰^ORCID,Gladstone G. R.¹⁹^ORCID,Hill M. E.¹⁶^ORCID,Horanyi M.²¹^ORCID,Jennings D. E.²²,Lunsford A. W.²²,McComas D. J.²³^ORCID,McKinnon W. B.²⁴^ORCID,McNutt R. L.¹⁶^ORCID,Moore J. M.⁷^ORCID,Parker J. W.⁸^ORCID,Quirico E.²⁰^ORCID,Reuter D. C.²²,Schenk P. M.²⁵^ORCID,Schmitt B.²⁰^ORCID,Showalter M. R.¹¹^ORCID,Singer K. N.⁸^ORCID,Weigle G. E.²⁶,Zangari A. M.⁸

Affiliation:

1. Lowell Observatory, Flagstaff, AZ 86001, USA.

2. Department of Astronomy and Planetary Science, Northern Arizona University, Flagstaff, AZ 86011, USA.

3. Argelander-Institut für Astronomie, University of Bonn, D-53121 Bonn, Germany.

4. Rheinisches Institut für Umweltforschung, Universität zu Köln, 50931 Cologne, Germany.

5. University of Central Florida, Orlando, FL 32816, USA.

6. Pinhead Institute, Telluride, CO 81435, USA.

7. NASA Ames Research Center, Moffett Field, CA 94035, USA.

8. Southwest Research Institute, Boulder, CO 80302, USA.

9. Steward Observatory, University of Arizona, Tucson, AZ 85719, USA.

10. Stanford University, Stanford, CA 94305, USA.

11. Carl Sagan Center, SETI Institute, Mountain View, CA 94043, USA.

12. National Research Council, Victoria, BC V9E 2E7, Canada.

13. Department of Physics and Astronomy, University of Victoria, Victoria, BC V8W 2Y2, Canada.

14. California Institute of Technology, Pasadena, CA 91125, USA.

15. University of Virginia, Charlottesville, VA 22904, USA.

16. Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA.

17. Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

18. NASA Jet Propulsion Laboratory, La Cañada Flintridge, CA 91011, USA.

19. Southwest Research Institute, San Antonio, TX 78238, USA.

20. Institut de Planétologie et d’Astrophysique de Grenoble, Centre National de la Recherche Scientifique, Université Grenoble Alpes, Grenoble, France.

21. University of Colorado, Boulder, CO 80309, USA.

22. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.

23. Princeton University, Princeton, NJ 08544, USA.

24. Washington University, St. Louis, MO 63130, USA.

25. Lunar and Planetary Institute, Houston, TX 77058, USA.

26. Big Head Endian LLC, Leawood, KS 67019, USA.

Abstract

Examining Arrokoth The New Horizons spacecraft flew past the Kuiper Belt object (486958) Arrokoth (also known as 2014 MU 69 ) in January 2019. Because of the great distance to the outer Solar System and limited bandwidth, it will take until late 2020 to downlink all the spacecraft's observations back to Earth. Three papers in this issue analyze recently downlinked data, including the highest-resolution images taken during the encounter (see the Perspective by Jewitt). Spencer et al. examined Arrokoth's geology and geophysics using stereo imaging, dated the surface using impact craters, and produced a geomorphological map. Grundy et al. investigated the composition of the surface using color imaging and spectroscopic data and assessed Arrokoth's thermal emission using microwave radiometry. McKinnon et al. used simulations to determine how Arrokoth formed: Two gravitationally bound objects gently spiraled together during the formation of the Solar System. Together, these papers determine the age, composition, and formation process of the most pristine object yet visited by a spacecraft. Science , this issue p. eaay3999 , p. eaay3705 , p. eaay6620 ; see also p. 980

Funder

National Aeronautics and Space Administration

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference97 articles.

1. Initial results from the New Horizons exploration of 2014 MU 69 , a small Kuiper Belt object

2. High-precision Orbit Fitting and Uncertainty Analysis of (486958) 2014 MU69

3. The geology and geophysics of Kuiper Belt object (486958) Arrokoth

4. THE CANADA-FRANCE ECLIPTIC PLANE SURVEY—FULL DATA RELEASE: THE ORBITAL STRUCTURE OF THE KUIPER BELT

5. Origin of the structure of the Kuiper belt during a dynamical instability in the orbits of Uranus and Neptune

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