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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cuspy halo problem ： ウィキペディア英語版 Cuspy halo problem The cuspy halo problem (also known as the cusp-core problem) arises from cosmological simulations that seem to indicate cold dark matter (CDM) would form cuspy distributions — that is, increasing sharply to a high value at a central point — in the most dense areas of the universe. This would imply that the center of the Milky Way, for example, should exhibit a higher dark-matter density than other areas. However, it seems rather that the centers of these galaxies likely have no cusp in the dark-matter distribution at all. This remains an intractable problem. Speculation that the distribution of baryonic matter may somehow displace cold dark matter in the dense cores of spiral galaxies has not been substantiated by any plausible explanation or computer simulation. ==Simulation results== "The presence of a cusp in the centers of CDM halos is one of the earliest and strongest results derived from N-body cosmological simulations." Numerical simulations for CDM structure formation predict some structure properties that conflict with astronomical observations. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cuspy halo problem」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.