wht is meant by darkmatter
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Dark Matter is referred to the hypothetical matter that scientists have not been able to locate in the universe - either through telescopes or using any other technological method. 27% of the matter in the universe is said to be dark matter.
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(in some cosmological theories) non-luminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles ( cold dark matter ) or high-energy randomly moving particles created soon after the Big Bang ( hot dark matter ).
Dark matter is composed of particles that do not absorb, reflect, or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter is material that cannot be seen directly. We know that dark matter exists because of the effect it has on objects that we can observe directly.
https://starchild.gsfc.nasa.gov › docs
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