Spencer, J. R., Stern, S. A., Moore, J. M., Weaver, H. A., Singer, K. N., Olkin, C. B., Verbiscer, A. J., McKinnon, W. B., Parker, J. Wm., Beyer, R. A., Keane, J. T., Lauer, T. R., Porter, S. B., White, O. L., Buratti, B. J., El-Maarry, M. R., Lisse, C. M., Parker, A. H., Throop, H. B., Robbins, S. J., Umurhan, O. M., Binzel, R. P., Britt, D. T., Buie, M. W., Cheng, A. F., Cruikshank, D. P., Elliott, H. A., Gladstone, G. R., Grundy, W. M., Hill, M. E., Horanyi, M., Jennings, D. E., Kavelaars, J. J., Linscott, I. R., McComas, D. J., McNutt, R. L., Jr., Protopapa, S., Reuter, D. C., Schenk, P. M., Showalter, M. R., Young, L. A., Zangari, A. M., Abedin, A. Y., Beddingfield, C. B., Benecchi, S. D., Bernardoni, E., Bierson, C. J., Borncamp, D., Bray, V. J., Chaikin, A. L., Dhingra, R. D., Fuentes, C., Fuse, T., Gay, P. L., Gwyn, S. D. J., Hamilton, D. P., Hofgartner, J. D., Holman, M. J., Howard, A. D., Howett, C. J. A., Karoji, H., Kaufmann, D. E., Kinczyk, M., May, B. H., Mountain, M., Patzold, M., Petit, J. M., Piquette, M. R., Reid, I. N., Reitsema, H. J., Runyon, K. D., Sheppard, S. S., Stansberry, J. A., Stryk, T., Tanga, P., Tholen, D. J., Trilling, D. E. and Wasserman, L. H. (2020). The geology and geophysics of Kuiper Belt object (486958) Arrokoth. Science, 367 (6481). S. 998 - 1035. WASHINGTON: AMER ASSOC ADVANCEMENT SCIENCE. ISSN 1095-9203

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Abstract

The Cold Classical Kuiper Belt, a class of small bodies in undisturbed orbits beyond Neptune, is composed of primitive objects preserving information about Solar System formation. In January 2019, the New Horizons spacecraft flew past one of these objects, the 36-kilometer-long contact binary (486958) Arrokoth (provisional designation 2014 MU69). Images from the flyby show that Arrokoth has no detectable rings, and no satellites (larger than 180 meters in diameter) within a radius of 8000 kilometers. Arrokoth has a lightly cratered, smooth surface with complex geological features, unlike those on previously visited Solar System bodies. The density of impact craters indicates the surface dates from the formation of the Solar System. The two lobes of the contact binary have closely aligned poles and equators, constraining their accretion mechanism.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Spencer, J. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stern, S. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moore, J. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weaver, H. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Singer, K. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Olkin, C. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verbiscer, A. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
McKinnon, W. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Parker, J. Wm.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beyer, R. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Keane, J. T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lauer, T. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Porter, S. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
White, O. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buratti, B. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
El-Maarry, M. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lisse, C. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Parker, A. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Throop, H. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Robbins, S. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Umurhan, O. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Binzel, R. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Britt, D. T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buie, M. W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cheng, A. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cruikshank, D. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Elliott, H. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gladstone, G. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grundy, W. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hill, M. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Horanyi, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jennings, D. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kavelaars, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Linscott, I. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
McComas, D. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
McNutt, R. L., Jr.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Protopapa, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reuter, D. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schenk, P. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Showalter, M. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Young, L. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zangari, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Abedin, A. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beddingfield, C. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benecchi, S. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bernardoni, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bierson, C. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Borncamp, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bray, V. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chaikin, A. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dhingra, R. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fuentes, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fuse, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gay, P. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gwyn, S. D. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hamilton, D. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hofgartner, J. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Holman, M. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Howard, A. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Howett, C. J. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Karoji, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kaufmann, D. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kinczyk, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
May, B. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mountain, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patzold, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Petit, J. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Piquette, M. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reid, I. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reitsema, H. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Runyon, K. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sheppard, S. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stansberry, J. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stryk, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tanga, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tholen, D. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Trilling, D. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wasserman, L. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-343776
DOI: 10.1126/science.aay3999
Journal or Publication Title: Science
Volume: 367
Number: 6481
Page Range: S. 998 - 1035
Date: 2020
Publisher: AMER ASSOC ADVANCEMENT SCIENCE
Place of Publication: WASHINGTON
ISSN: 1095-9203
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SATURNS MOON PHOEBE; COMETARY NUCLEI; DYNAMICAL EVOLUTION; LIGHT CURVES; SURFACE; IMPACT; HORIZONS; CRATERS; VOYAGER; SHAPEMultiple languages
Multidisciplinary SciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/34377

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