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Dark Matter Mystery
WIMPS (Weakly Interacting Massive Particles) Examples: Exotic Subatomic
Particles such as axions, massive neutrinos, and photinos.
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Theoretically, WIMPS could have been produced in the Big Bang
origin of the universe in the right amounts and with the right
properties to explain the dark matter.
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No one has ever observed even one of these particles, let
alone enough of them to explain the dark matter.
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Hydrogen Gas
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Seventy to seventy-five percent of the visible matter in the
universe is in the form of hydrogen, the simplest element. It may be
possible that the dark matter is numerous small clouds of hydrogen
gas.
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It is very difficult to hide hydrogen gas from the probing,
sensitive eyes of radio, infrared, optical, ultraviolet, and X-ray
telescopes.
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