expression, noun
cold dark matter
A technical term in cosmology for a hypothetical form of dark matter composed of slow-moving particles. Often contrasted with 熱い暗黒物質 (hot dark matter).
See also: 熱い暗黒物質
冷たい暗黒物質は、宇宙の大規模構造の形成に重要な役割を果たしたと考えられている。
Cold dark matter is thought to have played an important role in the formation of large-scale structures in the universe.
A direct translation of the English term 'cold dark matter', combining 冷たい (cold) + 暗黒物質 (dark matter).