bn:00025248n
Noun Concept
Categories: Exotic matter, Physical cosmology, Concepts in astronomy, Unsolved problems in astronomy, Dark matter
EN
dark matter  black matter  dark-matter  Dark gravity  Dark matter behavior
EN
(cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force WordNet 3.0
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EN
(cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force WordNet 3.0 & Open English WordNet
Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. Wikipedia
Mysterious non-luminous matter comprising most of the matter in our observable universe Wikidata
Matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects. OmegaWiki
Particles of matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects. Wiktionary
Particles of matter that cannot be detected by their radiation. Wiktionary (translation)