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Dark matter

Dark matter


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In recent years it has been discovered that there is a large amount of matter in the Universe that does not emit or absorb light (it is not seen), but it is known to exist because its gravitational effects on stars and galaxies are observed.

Dark matter forms between 80% and 90% of the mass of the universe. It is not known what it is made of.

Dark matter cannot be detected directly by observing electromagnetic radiation in any range, but its existence, distributed throughout the Universe, is suggested by certain theoretical considerations. Its presence has been detected in the Milky Way. Determining the nature of dark matter is one of the most exciting problems of modern astrophysics.


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Interplanetary matterMauna Kea (Observatory)

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