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题名: On the shape of cometary halos
作者: Chen, DH; Zheng, XT
刊名: CHINESE ASTRONOMY AND ASTROPHYSICS
出版日期: 2003-04-01
卷号: 27, 期号:2, 页码:176-180
关键词: comets : general ; solar wind
DOI: 10.1016/S0275-1062(03)00039-0
文章类型: Article
英文摘要: There is yet no consensus on the shape of halos. The question as to what curve describes best the halos has significant meaning for model-building and for the understanding of the dynamics of halos. By means of a modified Newton's formula of hydrodynamics, it is shown that the shape of cometary halos is close to a catenary, rather than the paraboloidal envelopes of dust grain orbits discussed by Eddington.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000183228100008
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15826
Appears in Collections:期刊(老文献)_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mtn Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Peoples R China
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