2006年9月13日IAU决定将冥王星、阋神星及阋卫一编入小行星目录并正式授予小行星序号: "(134340) Pluto"、"(136199) Eris"、"(136199) Eris I Dysnomia"。[63]如果冥王星在被发现时授予小行星序号,其序号则可能为1164。
天文学界有反对重新分类的声音。[64][65][66]NASA新视野号项目负责人阿兰·斯特恩曾公开嘲笑IAU决议,声称:“从技术角度看这个定义太差劲了。”(the definition stinks, for technical reasons)[67]斯特恩认为地球、火星、木星和海王星的轨道上都有诸多小行星,按照新定义这些天体也不属于行星。[68]斯特恩还认为包括月球在内的所有大型球形卫星都应被视为行星。[69]当时在罗威尔天文台工作的马克·布伊(英语:Marc W. Buie)在其网站上反对新定义。[70]还有天文学界也有支持IAU决议的声音:阋神星的发现者麦克·布朗说:“我们通过这杂耍般的程序无意中发现了正确答案。很久之前就该如此修改定义。虽然有强烈情绪反应,但科学总会自我纠正。”(through this whole crazy circus-like procedure, somehow the right answer was stumbled on. It's been a long time coming. Science is self-correcting eventually, even when strong emotions are involved.)[71]
^ 9.09.1Archinal, B. A.; a'Hearn, M. F.; Bowell, E.; Conrad, A.; Consolmagno, G. J.; et al. Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009. Celestial Mechanics and Dynamical Astronomy. 2010, 109 (2): 101–135. doi:10.1007/s10569-010-9320-4.
^Hamilton, Calvin J. Dwarf Planet Pluto. Views of the Solar System. 2006-02-12 [2007-01-10]. (原始内容存档于2007-01-10).
^Amos, Jonathan. New Horizons: Pluto may have 'nitrogen glaciers'. BBC News. 2015-07-23 [2015-07-26]. (原始内容存档于2015-07-26). It could tell from the passage of sunlight and radiowaves through the Plutonian "air" that the pressure was only about 10 microbars at the surface
^Littman, Mark. Planets Beyond: Discovering the Outer Solar System. Wiley. 1990: 70. ISBN 0-471-51053-X.
^Buchwald, Greg; Dimario, Michael; Wild, Walter. Pluto is Discovered Back in Time. Amateur—Professional Partnerships in Astronomy (San Francisco: San Francisco: Astronomical Society of the Pacific). 2000, 220: 335. Bibcode:2000ASPC..220..355B. ISBN 1-58381-052-8.
^Name Pluto Given to Body Believed to Be Planet X. The New York Times (New York City). Associated Press. 1930-05-25: 1 [2015-07-10]. ISSN 0362-4331. (原始内容存档于2014-04-25). Pluto, the title of the Roman gods of the region of darkness, was announced tonight at Lowell Observatory here as the name chosen for the recently discovered trans-Neptunian body, which is believed to be the long-sought Planet X.
^Stern, Alan; Tholen, David James. Pluto and Charon. University of Arizona Press. 1997: 206–208. ISBN 9780816518401.
^Seidelmann, P. Kenneth; Harrington, Robert Sutton. Planet X – The current status. Celestial Mechanics and Dynamical Astronomy. 1988, 43: 55–68. Bibcode:1987CeMec..43...55S. doi:10.1007/BF01234554.使用|accessdate=需要含有|url= (帮助)
^"Scientists Debate Planet Definition and Agree to Disagree", Planetary Science Institute press release of 19 September 2008, PSI.edu (页面存档备份,存于互联网档案馆)
^The Inside Story. pluto.jhuapl.edu – NASA New Horizons mission site. Johns Hopkins University Applied Physics Laboratory. 2007 [2014-02-15]. (原始内容存档于2011-08-20).
^Millis, Robert L.; Wasserman, Lawrence H.; Franz, Otto G.; et al. Pluto's radius and atmosphere – Results from the entire 9 June 1988 occultation data set. Icarus. 1993, 105 (2): 282. Bibcode:1993Icar..105..282M. doi:10.1006/icar.1993.1126.
^Young, Eliot F.; Binzel, Richard P. A new determination of radii and limb parameters for Pluto and Charon from mutual event lightcurves. Icarus. 1994, 108 (2): 219–224. Bibcode:1994Icar..108..219Y. doi:10.1006/icar.1994.1056.
^ 110.0110.1Young, Eliot F.; Young, Leslie A.; Buie, Marc W. Pluto's Radius. American Astronomical Society, DPS meeting No. 39, #62.05; Bulletin of the American Astronomical Society. 2007, 39: 541. Bibcode:2007DPS....39.6205Y.
^Zalucha, Angela M.; Gulbis, Amanda A. S.; Zhu, Xun; et al. An analysis of Pluto occultation light curves using an atmospheric radiative-conductive model. Icarus. 2011, 211 (1): 804–818. Bibcode:2011Icar..211..804Z. doi:10.1016/j.icarus.2010.08.018.
^Close, Laird M.; Merline, William J.; Tholen, David J.; et al. Adaptive optics imaging of Pluto–Charon and the discovery of a moon around the Asteroid 45 Eugenia: the potential of adaptive optics in planetary astronomy. Proceedings of the International Society for Optical Engineering (European Southern Observatory). 2000, 4007: 787–795. Bibcode:2000SPIE.4007..787C. doi:10.1117/12.390379.
^Colossal Cousin to a Comet?. pluto.jhuapl.edu – NASA New Horizons mission site. Johns Hopkins University Applied Physics Laboratory. [2014-02-15]. (原始内容存档于2014-11-13).
^
Gomes R. S.; Gallardo T.; Fernández J. A.; Brunini A. On the origin of the High-Perihelion Scattered Disk: the role of the Kozai mechanism and mean motion resonances. Celestial Mechanics and Dynamical Astronomy. 2005, 91 (1–2): 109–129. Bibcode:2005CeMDA..91..109G. S2CID 18066500. doi:10.1007/s10569-004-4623-y.
University accreditation organization in the United States This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: New England Association of Schools and Colleges – news · newspapers · books · scholar · JSTOR ...
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