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HomeWikipedia List > Wikipedia

Wikipedia

Lambda-CDM model

The lambda-CDM model is a space model that adds the cosmological constant lambda to the Cold Dark Matter (CDM) model.

Dark matter, which does not produce light, in the universe is presumed to exist based on the rotation of galaxies (an anomaly in which the rotation speed of the center and of the periphery are the same) and observation of the movement of groups and clusters of galaxies.

Based on the nucleosynthesis theory, the main components in dark matter are not dark astronomical bodies (such as black holes or brown dwarfs), but is weakly interacting non-baryonic matter that, aside from gravity, interacts weaker than normal matter.

Even amongst these, they are not light (hot) particles like neutrinos, and if there are heavy (cold) particles (axions, neutralinos, etc.), then it explains the observed reality of the current structure of the universe from the fluctuations from inflation mature.

 
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Date of last update:2013-10-25 16:43:29 jewel 1thumbs up   del.icio.usに追加   はてなブックマークに追加   twitterに投稿   facebookでshare
[ Original text ] http://ja.wikipedia.org/w/index.php?title=%CE%9B-CDM%E3%83%A2%E3%83%87%E3%83%AB&oldid=47053730 Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License,
Version 1.1 or any later version published by the Free Software Foundation;
with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
A copy of the license is included in the section entitled "GNU Free Documentation License".
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