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baryonic

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
bar·y·on  (br-n)
n.
Any of a family of subatomic particles, including the nucleon and hyperon multiplets, that participate in strong interactions, are composed of three quarks, and are generally more massive than mesons. Also called heavy particle. See Table at subatomic particle.

[Greek barus, heavy; see gwer-1 in Indo-European roots + -on.]

bary·onic adj.

baryonic [ˌbærɪˈɒnɪk]
adj
(Physics / Atomic Physics) of or relating to a baryon


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Comparing these models to the latest observations from the WMAP satellite, it had been concluded quite precisely that the Universe contained a mixture of 4% baryonic matter (all of the matter which made up everything we could see in the Universe), 26% dark matter, and 70% dark energy.
That leaves less than five percent of normal, or baryonic, matter, the category for the protons and neutrons that compose it.
The four main types of dark matter are called 1- baryonic dark matter; 2- warm dark matter; 3- cold dark matter and 4- hot dark matter.
 
 
 
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