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Dark matter
01
matière noire
(physics) an invisible substance that makes up most of the universe's mass, detectable only through its gravitational effects
Exemples
Astronomers believe that dark matter makes up approximately 27 % of the universe's total mass and energy content.
Les astronomes pensent que la matière noire constitue environ 27% de la masse et de l'énergie totales de l'univers.
