Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1126/science.aap8628 |
Impact craters on Pluto and Charon indicate a deficit of small Kuiper belt objects | |
Singer, K. N.1; McKinnon, W. B.2,3; Gladman, B.4; Greenstreet, S.5,6; Bierhaus, E. B.7; Stern, S. A.1; Parker, A. H.1; Robbins, S. J.1; Schenk, P. M.8; Grundy, W. M.9; Bray, V. J.10; Beyer, R. A.11,12; Binzel, R. P.13; Weaver, H. A.14; Young, L. A.1; Spencer, J. R.1; Kavelaars, J. J.15; Moore, J. M.12; Zangari, A. M.1; Olkin, C. B.1; Lauer, T. R.16; Lisse, C. M.14; Ennico, K.12 | |
2019-03-01 | |
发表期刊 | SCIENCE |
ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2019 |
卷号 | 363期号:6430页码:955-+ |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Canada |
英文摘要 | The flyby of Pluto and Charon by the New Horizons spacecraft provided high-resolution images of cratered surfaces embedded in the Kuiper belt, an extensive region of bodies orbiting beyond Neptune. Impact craters on Pluto and Charon were formed by collisions with other Kuiper belt objects (KBOs) with diameters from similar to 40 kilometers to similar to 300 meters, smaller than most KBOs observed directly by telescopes. We find a relative paucity of small craters less than or similar to 13 kilometers in diameter, which cannot be explained solely by geological resurfacing. This implies a deficit of small KBOs (less than or similar to 1 to 2 kilometers in diameter). Some surfaces on Pluto and Charon are likely greater than or similar to 4 billion years old, thus their crater records provide information on the size-frequency distribution of KBOs in the early Solar System. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000460194200040 |
WOS关键词 | SIZE DISTRIBUTION ; LUMINOSITY FUNCTION ; GLOBAL CARTOGRAPHY ; VISCOUS RELAXATION ; SECONDARY CRATERS ; CONSTRAINTS ; EVOLUTION ; SOLAR ; TOPOGRAPHY ; HISTORY |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/200873 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Southwest Res Inst, Boulder, CO 80302 USA; 2.Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63130 USA; 3.Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA; 4.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada; 5.Las Cumbres Observ, Goleta, CA 93117 USA; 6.Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA; 7.Lockheed Martin Space Syst Co, Denver, CO 80127 USA; 8.Lunar & Planetary Inst, Houston, TX 77058 USA; 9.Lowell Observ, Flagstaff, AZ 86001 USA; 10.Univ Arizona, Tucson, AZ 85721 USA; 11.Search Extraterr Intelligence SETI Inst, Carl Sagan Ctr, Mountain View, CA 94043 USA; 12.NASA, Ames Res Ctr, Div Space Sci, Moffett Field, CA 94035 USA; 13.MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA; 14.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA; 15.Natl Res Council Canada, Victoria, BC, Canada; 16.Natl Opt Astron Observ, Tucson, AZ 26732 USA |
推荐引用方式 GB/T 7714 | Singer, K. N.,McKinnon, W. B.,Gladman, B.,et al. Impact craters on Pluto and Charon indicate a deficit of small Kuiper belt objects[J]. SCIENCE,2019,363(6430):955-+. |
APA | Singer, K. N..,McKinnon, W. B..,Gladman, B..,Greenstreet, S..,Bierhaus, E. B..,...&Ennico, K..(2019).Impact craters on Pluto and Charon indicate a deficit of small Kuiper belt objects.SCIENCE,363(6430),955-+. |
MLA | Singer, K. N.,et al."Impact craters on Pluto and Charon indicate a deficit of small Kuiper belt objects".SCIENCE 363.6430(2019):955-+. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论