Dark matter
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 Estimated distribution of matter and energy in the universe, today (top) and when the CMB was released (bottom) |
In astronomy and cosmology, dark matter is a type of matter hypothesized to account for a large part of the total mass in the universe. Dark matter cannot be seen directly with telescopes; evidently it neither emits nor absorbs light or other electromagnetic radiation at any significant level. Instead, its existence and properties are inferred from its gravitational effects on visible matter, radiation, and the large scale structure of the universe. Dark matter is estimated to constitute 84% of the matter in the universe and 23% of the mass-energy.
- Related: Light dark matter, Mirror matter, Self-interacting dark matter, Chameleon particle, Multidark, SIMP, Conformal gravity, Modified Newtonian dynamics, Scalar field dark matter, Unparticle physics
| What is dark matter? What is dark matter? www.cosmosmagazine.com/features/online/5753/what-dark-matter - Web |
| The Dark Matter Crisis The Dark Matter Crisis www.scilogs.eu/en/blog/the-dark-matter-crisis - Web |
| The European astroparticle physics network The European astroparticle physics network www.aspera-eu.org - Web |
Gallery for «Dark matter»
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| Helmholtz Alliance for Astroparticle Physics Helmholtz Alliance for Astroparticle Physics www.hap-astroparticle.org - Web |
| A nice animation about dark matter A nice animation about dark matter astroparticle.aspera-eu.org/.../index.php?option=com_content&task=view&id=113&Itemid=108 - Web |
| Multimessenger Approach for Dark Matter Detection. Multimessenger Approach for Dark Matter Detection. projects.ift.uam.es/multidark/index.php - Web |
| Video lecture on dark matter by Scott Tremaine, IA... Video lecture on dark matter by Scott Tremaine, IAS professor video.ias.edu/the-fifth-element - Web |
| Science Daily story "Astronomers' Doubts About the... Science Daily story "Astronomers' Doubts About the Dark Side ..." www.sciencedaily.com/releases/2010/06/100613212708.htm - Web |
